WildCardMatcher.java

/*
 * Copyright (C) 2014, Andrey Loskutov <loskutov@gmx.de> and others
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0 which is available at
 * https://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
package org.eclipse.jgit.ignore.internal;

import static org.eclipse.jgit.ignore.internal.Strings.convertGlob;

import java.util.regex.Pattern;

import org.eclipse.jgit.errors.InvalidPatternException;

/**
 * Matcher built from path segments containing wildcards. This matcher converts
 * glob wildcards to Java {@link java.util.regex.Pattern}'s.
 * <p>
 * This class is immutable and thread safe.
 */
public class WildCardMatcher extends NameMatcher {

    final Pattern p;

    WildCardMatcher(String pattern, Character pathSeparator, boolean dirOnly)
            throws InvalidPatternException {
        super(pattern, pathSeparator, dirOnly, false);
        p = convertGlob(subPattern);
    }

    /** {@inheritDoc} */
    @Override
    public boolean matches(String segment, int startIncl, int endExcl) {
        return p.matcher(segment.substring(startIncl, endExcl)).matches();
    }
}