tikhomirov@114: /*
tikhomirov@114:  * Copyright (c) 2011 TMate Software Ltd
tikhomirov@114:  *  
tikhomirov@114:  * This program is free software; you can redistribute it and/or modify
tikhomirov@114:  * it under the terms of the GNU General Public License as published by
tikhomirov@114:  * the Free Software Foundation; version 2 of the License.
tikhomirov@114:  *
tikhomirov@114:  * This program is distributed in the hope that it will be useful,
tikhomirov@114:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@114:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@114:  * GNU General Public License for more details.
tikhomirov@114:  *
tikhomirov@114:  * For information on how to redistribute this software under
tikhomirov@114:  * the terms of a license other than GNU General Public License
tikhomirov@130:  * contact TMate Software at support@hg4j.com
tikhomirov@114:  */
tikhomirov@114: package org.tmatesoft.hg.internal;
tikhomirov@114: 
tikhomirov@114: import java.util.regex.Pattern;
tikhomirov@114: import java.util.regex.PatternSyntaxException;
tikhomirov@114: 
tikhomirov@114: import org.tmatesoft.hg.core.Path;
tikhomirov@114: import org.tmatesoft.hg.core.Path.Matcher;
tikhomirov@114: 
tikhomirov@114: /**
tikhomirov@114:  *
tikhomirov@114:  * @author Artem Tikhomirov
tikhomirov@114:  * @author TMate Software Ltd.
tikhomirov@114:  */
tikhomirov@114: public class PathRegexpMatcher implements Matcher {
tikhomirov@114: 	private Pattern[] patterns;
tikhomirov@114: 	
tikhomirov@114: 	// disjunction, matches if any pattern found
tikhomirov@114: 	// uses pattern.find(), not pattern.matches()
tikhomirov@114: 	public PathRegexpMatcher(Pattern... p) {
tikhomirov@114: 		if (p == null) {
tikhomirov@114: 			throw new IllegalArgumentException();
tikhomirov@114: 		}
tikhomirov@114: 		patterns = p;
tikhomirov@114: 	}
tikhomirov@114: 	
tikhomirov@114: 	public PathRegexpMatcher(String... p) throws PatternSyntaxException {
tikhomirov@114: 		this(compile(p));
tikhomirov@114: 	}
tikhomirov@114: 	
tikhomirov@114: 	private static Pattern[] compile(String[] p) throws PatternSyntaxException {
tikhomirov@114: 		// deliberately do no check for null, let it fail
tikhomirov@114: 		Pattern[] rv = new Pattern[p.length];
tikhomirov@114: 		int i = 0;
tikhomirov@114: 		for (String s : p) {
tikhomirov@114: 			rv[i++] = Pattern.compile(s);
tikhomirov@114: 		}
tikhomirov@114: 		return rv;
tikhomirov@114: 	}
tikhomirov@114: 
tikhomirov@114: 	public boolean accept(Path path) {
tikhomirov@114: 		for (Pattern p : patterns) {
tikhomirov@114: 			if (p.matcher(path).find()) {
tikhomirov@114: 				return true;
tikhomirov@114: 			}
tikhomirov@114: 		}
tikhomirov@114: 		return false;
tikhomirov@114: 	}
tikhomirov@114: }