kitaev@213: /*
kitaev@213:  * Copyright (c) 2011 TMate Software Ltd
kitaev@213:  *  
kitaev@213:  * This program is free software; you can redistribute it and/or modify
kitaev@213:  * it under the terms of the GNU General Public License as published by
kitaev@213:  * the Free Software Foundation; version 2 of the License.
kitaev@213:  *
kitaev@213:  * This program is distributed in the hope that it will be useful,
kitaev@213:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
kitaev@213:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
kitaev@213:  * GNU General Public License for more details.
kitaev@213:  *
kitaev@213:  * For information on how to redistribute this software under
kitaev@213:  * the terms of a license other than GNU General Public License
kitaev@213:  * contact TMate Software at support@hg4j.com
kitaev@213:  */
kitaev@213: package org.tmatesoft.hg.internal;
kitaev@213: 
kitaev@213: import java.util.regex.Pattern;
kitaev@213: import java.util.regex.PatternSyntaxException;
kitaev@213: 
kitaev@213: import org.tmatesoft.hg.util.Path;
kitaev@213: import org.tmatesoft.hg.util.Path.Matcher;
kitaev@213: 
kitaev@213: /**
kitaev@213:  *
kitaev@213:  * @author Artem Tikhomirov
kitaev@213:  * @author TMate Software Ltd.
kitaev@213:  */
kitaev@213: public class PathRegexpMatcher implements Matcher {
kitaev@213: 	private Pattern[] patterns;
kitaev@213: 	
kitaev@213: 	// disjunction, matches if any pattern found
kitaev@213: 	// uses pattern.find(), not pattern.matches()
kitaev@213: 	public PathRegexpMatcher(Pattern... p) {
kitaev@213: 		if (p == null) {
kitaev@213: 			throw new IllegalArgumentException();
kitaev@213: 		}
kitaev@213: 		patterns = p;
kitaev@213: 	}
kitaev@213: 	
kitaev@213: 	public PathRegexpMatcher(String... p) throws PatternSyntaxException {
kitaev@213: 		this(compile(p));
kitaev@213: 	}
kitaev@213: 	
kitaev@213: 	private static Pattern[] compile(String[] p) throws PatternSyntaxException {
kitaev@213: 		// deliberately do no check for null, let it fail
kitaev@213: 		Pattern[] rv = new Pattern[p.length];
kitaev@213: 		int i = 0;
kitaev@213: 		for (String s : p) {
kitaev@213: 			rv[i++] = Pattern.compile(s);
kitaev@213: 		}
kitaev@213: 		return rv;
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	public boolean accept(Path path) {
kitaev@213: 		for (Pattern p : patterns) {
kitaev@213: 			if (p.matcher(path).find()) {
kitaev@213: 				return true;
kitaev@213: 			}
kitaev@213: 		}
kitaev@213: 		return false;
kitaev@213: 	}
kitaev@213: }