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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/StringView.h>
#include <LibIPC/Forward.h>
#include <time.h>
namespace Core {
// Represents a time in local time.
class DateTime {
public:
time_t timestamp() const { return m_timestamp; }
unsigned year() const { return m_year; }
unsigned month() const { return m_month; }
unsigned day() const { return m_day; }
unsigned hour() const { return m_hour; }
unsigned minute() const { return m_minute; }
unsigned second() const { return m_second; }
unsigned weekday() const;
unsigned days_in_month() const;
unsigned day_of_year() const;
bool is_leap_year() const;
void set_time(int year, int month = 1, int day = 1, int hour = 0, int minute = 0, int second = 0);
ErrorOr<String> to_string(StringView format = "%Y-%m-%d %H:%M:%S"sv) const;
DeprecatedString to_deprecated_string(StringView format = "%Y-%m-%d %H:%M:%S"sv) const;
static DateTime create(int year, int month = 1, int day = 1, int hour = 0, int minute = 0, int second = 0);
static DateTime now();
static DateTime from_timestamp(time_t);
static Optional<DateTime> parse(StringView format, DeprecatedString const& string);
bool operator<(DateTime const& other) const { return m_timestamp < other.m_timestamp; }
bool operator==(DateTime const& other) const { return m_timestamp == other.m_timestamp; }
private:
time_t m_timestamp { 0 };
int m_year { 0 };
int m_month { 0 };
int m_day { 0 };
int m_hour { 0 };
int m_minute { 0 };
int m_second { 0 };
};
}
namespace AK {
template<>
struct Formatter<Core::DateTime> : StandardFormatter {
ErrorOr<void> format(FormatBuilder& builder, Core::DateTime const& value)
{
// Can't use DateTime::to_string() here: It doesn't propagate allocation failure.
return builder.builder().try_appendff("{:04d}-{:02d}-{:02d} {:02d}:{:02d}:{:02d}"sv,
value.year(), value.month(), value.day(),
value.hour(), value.minute(), value.second());
}
};
}
namespace IPC {
template<>
ErrorOr<void> encode(Encoder&, Core::DateTime const&);
template<>
ErrorOr<Core::DateTime> decode(Decoder&);
}
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