jcs.org
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
29#include <AK/String.h>
30#include <time.h>
31
32namespace Core {
33
34class DateTime {
35public:
36 time_t timestamp() const { return m_timestamp; }
37
38 unsigned year() const { return m_year; }
39 unsigned month() const { return m_month; }
40 unsigned day() const { return m_day; }
41
42 unsigned hour() const { return m_hour; }
43 unsigned minute() const { return m_minute; }
44 unsigned second() const { return m_second; }
45 unsigned weekday() const;
46 unsigned days_in_month() const;
47 unsigned day_of_year() const;
48 bool is_leap_year() const;
49
50 void set_time(unsigned year, unsigned month = 1, unsigned day = 0, unsigned hour = 0, unsigned minute = 0, unsigned second = 0);
51 String to_string(const String& format = "%Y-%m-%d %H:%M:%S") const;
52
53 static DateTime create(unsigned year, unsigned month = 1, unsigned day = 0, unsigned hour = 0, unsigned minute = 0, unsigned second = 0);
54 static DateTime now();
55 static DateTime from_timestamp(time_t);
56
57private:
58 time_t m_timestamp { 0 };
59 unsigned m_year { 0 };
60 unsigned m_month { 0 };
61 unsigned m_day { 0 };
62 unsigned m_hour { 0 };
63 unsigned m_minute { 0 };
64 unsigned m_second { 0 };
65};
66
67const LogStream& operator<<(const LogStream&, const DateTime&);
68
69}