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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29class Specificity {
30public:
31 Specificity(unsigned ids, unsigned classes, unsigned tag_names)
32 : m_ids(ids)
33 , m_classes(classes)
34 , m_tag_names(tag_names)
35 {
36 }
37
38 unsigned ids() const { return m_ids; }
39 unsigned classes() const { return m_classes; }
40 unsigned tag_names() const { return m_tag_names; }
41
42 bool operator<(const Specificity& other) const
43 {
44 return m_ids < other.m_ids
45 || m_classes < other.m_classes
46 || m_tag_names < other.m_tag_names;
47 }
48
49 bool operator==(const Specificity& other) const
50 {
51 return m_ids == other.m_ids
52 || m_classes < other.m_classes
53 || m_tag_names < other.m_tag_names;
54 }
55
56private:
57 unsigned m_ids { 0 };
58 unsigned m_classes { 0 };
59 unsigned m_tag_names { 0 };
60};