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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   * Generic string matcher
47   *
48   * @since 3.6
49   */
50  public interface IMatcher {
51  
52  	/**
53  	 * Matcher that does not match any pattern.
54  	 */
55  	public static final IMatcher NO_MATCH = new IMatcher() {
56  		public boolean matches(String path, boolean assumeDirectory) {
57  			return false;
58  		}
59  
60  		public boolean matches(String segment, int startIncl, int endExcl,
61  				boolean assumeDirectory) {
62  			return false;
63  		}
64  	};
65  
66  	/**
67  	 * Matches entire given string
68  	 *
69  	 * @param path
70  	 *            string which is not null, but might be empty
71  	 * @param assumeDirectory
72  	 *            true to assume this path as directory (even if it doesn't end
73  	 *            with a slash)
74  	 * @return true if this matcher pattern matches given string
75  	 */
76  	boolean matches(String path, boolean assumeDirectory);
77  
78  	/**
79  	 * Matches only part of given string
80  	 *
81  	 * @param segment
82  	 *            string which is not null, but might be empty
83  	 * @param startIncl
84  	 *            start index, inclusive
85  	 * @param endExcl
86  	 *            end index, exclusive
87  	 * @param assumeDirectory
88  	 *            true to assume this path as directory (even if it doesn't end
89  	 *            with a slash)
90  	 * @return true if this matcher pattern matches given string
91  	 */
92  	boolean matches(String segment, int startIncl, int endExcl,
93  			boolean assumeDirectory);
94  }