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1   /*
2    * Copyright (C) 2014, 2017 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  public interface IMatcher {
49  
50  	/**
51  	 * Matcher that does not match any pattern.
52  	 */
53  	public static final IMatchernal/IMatcher.html#IMatcher">IMatcher NO_MATCH = new IMatcher() {
54  		@Override
55  		public boolean matches(String path, boolean assumeDirectory,
56  				boolean pathMatch) {
57  			return false;
58  		}
59  
60  		@Override
61  		public boolean matches(String segment, int startIncl, int endExcl) {
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  	 * @param pathMatch
75  	 *            {@code true} if the match is for the full path: prefix-only
76  	 *            matches are not allowed, and
77  	 *            {@link org.eclipse.jgit.ignore.internal.NameMatcher}s must
78  	 *            match only the last component (if they can -- they may not, if
79  	 *            they are anchored at the beginning)
80  	 * @return true if this matcher pattern matches given string
81  	 */
82  	boolean matches(String path, boolean assumeDirectory, boolean pathMatch);
83  
84  	/**
85  	 * Matches only part of given string
86  	 *
87  	 * @param segment
88  	 *            string which is not null, but might be empty
89  	 * @param startIncl
90  	 *            start index, inclusive
91  	 * @param endExcl
92  	 *            end index, exclusive
93  	 * @return true if this matcher pattern matches given string
94  	 */
95  	boolean matches(String segment, int startIncl, int endExcl);
96  }