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Serenity Operating System
1/*
2 * Copyright (c) 2022-2023, Sam Atkins <atkinssj@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include <AK/Assertions.h>
10#include <AK/String.h>
11
12namespace Web::CSS {
13
14// https://www.w3.org/TR/css-syntax-3/#urange-syntax
15class UnicodeRange {
16public:
17 UnicodeRange(u32 min_code_point, u32 max_code_point)
18 : m_min_code_point(min_code_point)
19 , m_max_code_point(max_code_point)
20 {
21 VERIFY(min_code_point <= max_code_point);
22 }
23
24 u32 min_code_point() const { return m_min_code_point; }
25 u32 max_code_point() const { return m_max_code_point; }
26
27 bool contains(u32 code_point) const
28 {
29 return m_min_code_point <= code_point && code_point <= m_max_code_point;
30 }
31
32 ErrorOr<String> to_string() const
33 {
34 if (m_min_code_point == m_max_code_point)
35 return String::formatted("U+{:x}", m_min_code_point);
36 return String::formatted("U+{:x}-{:x}", m_min_code_point, m_max_code_point);
37 }
38
39private:
40 u32 m_min_code_point;
41 u32 m_max_code_point;
42};
43
44}