Mercurial > hg4j
diff src/org/tmatesoft/hg/internal/PathRegexpMatcher.java @ 114:46291ec605a0
Filters to read and initialize according to configuration files
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
---|---|
date | Thu, 03 Feb 2011 22:13:55 +0100 |
parents | |
children | 7567f4a42fe5 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/org/tmatesoft/hg/internal/PathRegexpMatcher.java Thu Feb 03 22:13:55 2011 +0100 @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2011 TMate Software Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * For information on how to redistribute this software under + * the terms of a license other than GNU General Public License + * contact TMate Software at support@svnkit.com + */ +package org.tmatesoft.hg.internal; + +import java.util.regex.Pattern; +import java.util.regex.PatternSyntaxException; + +import org.tmatesoft.hg.core.Path; +import org.tmatesoft.hg.core.Path.Matcher; + +/** + * + * @author Artem Tikhomirov + * @author TMate Software Ltd. + */ +public class PathRegexpMatcher implements Matcher { + private Pattern[] patterns; + + // disjunction, matches if any pattern found + // uses pattern.find(), not pattern.matches() + public PathRegexpMatcher(Pattern... p) { + if (p == null) { + throw new IllegalArgumentException(); + } + patterns = p; + } + + public PathRegexpMatcher(String... p) throws PatternSyntaxException { + this(compile(p)); + } + + private static Pattern[] compile(String[] p) throws PatternSyntaxException { + // deliberately do no check for null, let it fail + Pattern[] rv = new Pattern[p.length]; + int i = 0; + for (String s : p) { + rv[i++] = Pattern.compile(s); + } + return rv; + } + + public boolean accept(Path path) { + for (Pattern p : patterns) { + if (p.matcher(path).find()) { + return true; + } + } + return false; + } +}