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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#include <LibHTML/CSS/Selector.h>
28
29Selector::Selector(Vector<ComplexSelector>&& component_lists)
30 : m_complex_selectors(move(component_lists))
31{
32}
33
34Selector::~Selector()
35{
36}
37
38Specificity Selector::specificity() const
39{
40 unsigned ids = 0;
41 unsigned tag_names = 0;
42 unsigned classes = 0;
43
44 for (auto& list : m_complex_selectors) {
45 for (auto& simple_selector : list.compound_selector) {
46 switch (simple_selector.type) {
47 case SimpleSelector::Type::Id:
48 ++ids;
49 break;
50 case SimpleSelector::Type::Class:
51 ++classes;
52 break;
53 case SimpleSelector::Type::TagName:
54 ++tag_names;
55 break;
56 default:
57 break;
58 }
59 }
60 }
61
62 return { ids, classes, tag_names };
63}