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;
+	}
+}