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1   /*
2    * Copyright (C) 2014, Andrey Loskutov <loskutov@gmx.de>
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
10   * All rights reserved.
11   *
12   * Redistribution and use in source and binary forms, with or
13   * without modification, are permitted provided that the following
14   * conditions are met:
15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
18   *
19   * - Redistributions in binary form must reproduce the above
20   *   copyright notice, this list of conditions and the following
21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
23   *
24   * - Neither the name of the Eclipse Foundation, Inc. nor the
25   *   names of its contributors may be used to endorse or promote
26   *   products derived from this software without specific prior
27   *   written permission.
28   *
29   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42   */
43  package org.eclipse.jgit.ignore.internal;
44  
45  /**
46   * Wildmatch matcher for "double star" (<code>**</code>) pattern only. This
47   * matcher matches any path.
48   * <p>
49   * This class is immutable and thread safe.
50   */
51  public final class WildMatcher extends AbstractMatcher {
52  
53  	static final String WILDMATCH = "**"; //$NON-NLS-1$
54  
55  	// double star for the beginning of pattern
56  	static final String WILDMATCH2 = "/**"; //$NON-NLS-1$
57  
58  	WildMatcher(boolean dirOnly) {
59  		super(WILDMATCH, dirOnly);
60  	}
61  
62  	/** {@inheritDoc} */
63  	@Override
64  	public final boolean matches(String path, boolean assumeDirectory,
65  			boolean pathMatch) {
66  		return !dirOnly || assumeDirectory
67  				|| (!pathMatch && isSubdirectory(path));
68  	}
69  
70  	/** {@inheritDoc} */
71  	@Override
72  	public final boolean matches(String segment, int startIncl, int endExcl) {
73  		return true;
74  	}
75  
76  	private static boolean isSubdirectory(String path) {
77  		final int slashIndex = path.indexOf('/');
78  		return slashIndex >= 0 && slashIndex < path.length() - 1;
79  	}
80  }