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nmzik
2026-07-16 10:21:41 +02:00
commit 147188b143
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#include "common/dateTime.h"
#include "common/assert.h"
#include "common/platform/sysTimer.h"
#include "common/stringUtils.h"
#include <fmt/format.h>
namespace Common {
template <class T>
constexpr T FloorDiv(T a, T b) {
if (b < 0) {
if (a < 0) {
return a / b;
}
b = -b;
a = -a;
}
return (a - (a < 0 ? b - 1 : 0)) / b;
}
static void YmdToJd(int year, int month, int day, jd_t* jd) {
jd_t t_year = year;
jd_t t_month = month;
jd_t t_day = day;
if (t_year < 0) {
t_year++;
}
jd_t a = FloorDiv<jd_t>(14 - t_month, 12);
jd_t y = t_year + 4800 - a;
jd_t m = t_month + 12 * a - 3;
*jd = t_day + FloorDiv<jd_t>(153 * m + 2, 5) + 365 * y + FloorDiv<jd_t>(y, 4) -
FloorDiv<jd_t>(y, 100) + FloorDiv<jd_t>(y, 400) - 32045;
}
static void JdToYmd(int* year, int* month, int* day, jd_t jd) {
jd_t a = jd + 32044;
jd_t b = FloorDiv<jd_t>(4 * a + 3, 146097);
jd_t c = a - FloorDiv<jd_t>(146097 * b, 4);
jd_t d = FloorDiv<jd_t>(4 * c + 3, 1461);
jd_t e = c - FloorDiv<jd_t>(1461 * d, 4);
jd_t m = FloorDiv<jd_t>(5 * e + 2, 153);
int t_day = e - FloorDiv<jd_t>(153 * m + 2, 5) + 1;
int t_month = m + 3 - 12 * FloorDiv<jd_t>(m, 10);
int t_year = 100 * b + d - 4800 + FloorDiv<jd_t>(m, 10);
if (t_year <= 0) {
t_year--;
}
if (year != nullptr) {
*year = t_year;
}
if (month != nullptr) {
*month = t_month;
}
if (day != nullptr) {
*day = t_day;
}
}
static void HmsToMs(int hour, int minute, int second, int msec, int* ms) {
*ms = hour * 60 * 60 * 1000 + minute * 60 * 1000 + second * 1000 + msec;
}
static void MsToHms(int* hour, int* minute, int* second, int* msec, int ms) {
if (hour != nullptr) {
*hour = ms / (60 * 60 * 1000);
}
if (minute != nullptr) {
*minute = (ms % (60 * 60 * 1000)) / (60 * 1000);
}
if (second != nullptr) {
*second = (ms / 1000) % 60;
}
if (msec != nullptr) {
*msec = ms % 1000;
}
}
Date::Date(int year, int month, int day) {
Set(year, month, day);
}
bool Date::IsValid(int year, int month, int day) {
if (year == 0) {
return false;
}
return (day >= 1) &&
(day <= DaysInMonth(month) || (day == 29 && month == 2 && IsLeapYear(year)));
}
int Date::DaysInMonth() const {
if (IsInvalid()) {
return 0;
}
int year = 0;
int month = 0;
JdToYmd(&year, &month, nullptr, m_jd);
if (month == 2 && IsLeapYear(year)) {
return 29;
}
return DaysInMonth(month);
}
bool Date::IsLeapYear() const {
if (IsInvalid()) {
return false;
}
int year = 0;
JdToYmd(&year, nullptr, nullptr, m_jd);
return IsLeapYear(year);
}
int Date::DaysInMonth(int month) {
static const int days[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
if (month < 1 || month > 12) {
month = 0;
}
return days[month];
}
void Date::Set(int year, int month, int day) {
if (IsValid(year, month, day)) {
YmdToJd(year, month, day, &m_jd);
} else {
m_jd = DATE_JD_INVALID;
}
}
void Date::Get(int* year, int* month, int* day) const {
if (IsInvalid()) {
if (year != nullptr) {
*year = 0;
}
if (month != nullptr) {
*month = 0;
}
if (day != nullptr) {
*day = 0;
}
} else {
JdToYmd(year, month, day, m_jd);
}
}
bool Date::IsLeapYear(int year) {
if (year < 1) {
year++;
}
return ((year % 4) == 0 && (year % 100) != 0) || (year % 400) == 0;
}
int Date::Year() const {
if (IsInvalid()) {
return 0;
}
int year = 0;
JdToYmd(&year, nullptr, nullptr, m_jd);
return year;
}
int Date::Month() const {
if (IsInvalid()) {
return 0;
}
int month = 0;
JdToYmd(nullptr, &month, nullptr, m_jd);
return month;
}
int Date::Day() const {
if (IsInvalid()) {
return 0;
}
int day = 0;
JdToYmd(nullptr, nullptr, &day, m_jd);
return day;
}
int Date::DaysInYear() const {
if (IsInvalid()) {
return 0;
}
return IsLeapYear() ? 366 : 365;
}
int Date::DayOfWeek() const {
if (IsInvalid()) {
return 0;
}
if (m_jd >= 0) {
return (m_jd % 7) + 1;
}
return ((m_jd + 1) % 7) + 7;
}
int Date::DayOfYear() const {
if (IsInvalid()) {
return 0;
}
jd_t d = 0;
YmdToJd(Year(), 1, 1, &d);
return m_jd - d + 1;
}
int Date::DaysInYear(int year) {
return IsLeapYear(year) ? 366 : 365;
}
// NOLINTNEXTLINE(readability-non-const-parameter)
static bool FormatDate(const Date* d, const std::string& f, size_t* out_i, std::string* out_r) {
static const char* month_short[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
static const char* month_long[] = {"January", "February", "March", "April",
"May", "June", "July", "August",
"September", "October", "November", "December"};
static const char* day_short[] = {"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"};
static const char* day_long[] = {"Monday", "Tuesday", "Wednesday", "Thursday",
"Friday", "Saturday", "Sunday"};
auto& i = *out_i;
auto& r = *out_r;
if (f.compare(i, 4, "YYYY") == 0) {
int y = d->Year();
EXIT_IF(y < 0 || y > 9999);
r += fmt::format("{:04d}", y);
i += 3;
} else if (f.compare(i, 3, "YYY") == 0) {
int y = d->Year();
EXIT_IF(y < 0 || y > 9999);
r += Mid(fmt::format("{:04d}", y), 1);
i += 2;
} else if (f.compare(i, 2, "YY") == 0) {
int y = d->Year();
EXIT_IF(y < 0 || y > 9999);
r += Mid(fmt::format("{:04d}", y), 2);
i += 1;
} else if (f.compare(i, 1, "Y") == 0) {
int y = d->Year();
EXIT_IF(y < 0 || y > 9999);
r += Mid(fmt::format("{:04d}", y), 3);
} else if (f.compare(i, 1, "Q") == 0) {
r += fmt::format("{}", d->QuarterOfYear());
} else if (f.compare(i, 2, "MM") == 0) {
r += fmt::format("{:02d}", d->Month());
i += 1;
} else if (f.compare(i, 5, "MONTH") == 0) {
r += month_long[d->Month() - 1];
i += 4;
} else if (f.compare(i, 3, "MON") == 0) {
r += month_short[d->Month() - 1];
i += 2;
} else if (f.compare(i, 3, "DDD") == 0) {
r += fmt::format("{:03d}", d->DayOfYear());
i += 2;
} else if (f.compare(i, 2, "DD") == 0) {
r += fmt::format("{:02d}", d->Day());
i += 1;
} else if (f.compare(i, 2, "DY") == 0) {
r += day_short[d->DayOfWeek() - 1];
i += 1;
} else if (f.compare(i, 3, "DAY") == 0) {
r += day_long[d->DayOfWeek() - 1];
i += 2;
} else if (f.compare(i, 1, "D") == 0) {
r += fmt::format("{}", d->DayOfWeek());
} else if (f.compare(i, 1, "J") == 0) {
r += fmt::format("{}", d->JulianDay());
} else {
return false;
}
return true;
}
/**
* YYYY - 4-digit year
* YYY, YY, Y - Last 3, 2, or 1 digit(s) of year.
* Q - Quarter of year (1, 2, 3, 4; JAN-MAR = 1).
* MM - Month (01-12; JAN = 01).
* MON - Abbreviated name of month.
* MONTH - Name of month
* D - Day of week (1-7).
* DAY - Name of day.
* DY - Abbreviated name of day.
* DD - Day of month (01-31).
* DDD - Day of year (001-366).
* J - Julian day
*/
std::string Date::ToString(const char* format) const {
if (IsInvalid()) {
return "";
}
std::string r;
std::string f = format;
for (size_t i = 0; i < f.size(); i++) {
if (!FormatDate(this, f, &i, &r)) {
r += f[i];
}
}
return r;
}
int Date::QuarterOfYear() const {
if (IsInvalid()) {
return 0;
}
return (Month() - 1) / 3 + 1;
}
Date Date::FromMacros(const std::string& date) {
auto lst = Split(date, ' ');
if (lst.size() != 3) {
return {};
}
static const char* month_str[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
int month = -1;
for (int i = 0; i < 12; i++) {
if (lst[0] == month_str[i]) {
month = i + 1;
break;
}
}
if (month < 0) {
return {};
}
return Date(ToInt32(lst[2]), month, ToInt32(lst[1]));
}
Time::Time(int hour, int minute, int second, int msec) {
Set(hour, minute, second, msec);
}
void Time::Set(int hour, int minute, int second, int msec) {
if (IsValid(hour, minute, second, msec)) {
HmsToMs(hour, minute, second, msec, &m_ms);
} else {
m_ms = TIME_MS_INVALID;
}
}
void Time::Get(int* hour, int* minute, int* second, int* msec) const {
if (IsInvalid()) {
if (hour != nullptr) {
*hour = -1;
}
if (minute != nullptr) {
*minute = -1;
}
if (second != nullptr) {
*second = -1;
}
if (msec != nullptr) {
*msec = -1;
}
} else {
MsToHms(hour, minute, second, msec, m_ms);
}
}
bool Time::IsValid(int hour, int minute, int second, int msec) {
return (hour >= 0 && hour <= 23) && (minute >= 0 && minute <= 59) &&
(second >= 0 && second <= 59) && (msec >= 0 && msec <= 999);
}
int Time::Hour24() const {
if (IsInvalid()) {
return -1;
}
int h = 0;
MsToHms(&h, nullptr, nullptr, nullptr, m_ms);
return h;
}
int Time::Hour12() const {
if (IsInvalid()) {
return -1;
}
int h = 0;
MsToHms(&h, nullptr, nullptr, nullptr, m_ms);
h = h % 12;
return h == 0 ? 12 : h;
}
int Time::Minute() const {
if (IsInvalid()) {
return -1;
}
int m = 0;
MsToHms(nullptr, &m, nullptr, nullptr, m_ms);
return m;
}
int Time::Second() const {
if (IsInvalid()) {
return -1;
}
int s = 0;
MsToHms(nullptr, nullptr, &s, nullptr, m_ms);
return s;
}
int Time::Msec() const {
if (IsInvalid()) {
return -1;
}
int m = 0;
MsToHms(nullptr, nullptr, nullptr, &m, m_ms);
return m;
}
bool Time::IsAM() const {
if (IsInvalid()) {
return false;
}
int h = 0;
MsToHms(&h, nullptr, nullptr, nullptr, m_ms);
return h < 12;
}
bool Time::IsPM() const {
if (IsInvalid()) {
return false;
}
int h = 0;
MsToHms(&h, nullptr, nullptr, nullptr, m_ms);
return h >= 12;
}
// NOLINTNEXTLINE(readability-non-const-parameter)
static bool FormatTime(const Time* t, const std::string& f, size_t* out_i, std::string* out_r) {
auto& i = *out_i;
auto& r = *out_r;
if (f.compare(i, 4, "HH24") == 0) {
r += fmt::format("{:02d}", t->Hour24());
i += 3;
} else if (f.compare(i, 4, "HH12") == 0) {
r += fmt::format("{:02d}", t->Hour12());
i += 3;
} else if (f.compare(i, 2, "HH") == 0) {
r += fmt::format("{:02d}", t->Hour12());
i += 1;
} else if (f.compare(i, 2, "MI") == 0) {
r += fmt::format("{:02d}", t->Minute());
i += 1;
} else if (f.compare(i, 5, "SSSSS") == 0) {
r += fmt::format("{:05d}", t->MsecTotal() / 1000);
i += 4;
} else if (f.compare(i, 2, "SS") == 0) {
r += fmt::format("{:02d}", t->Second());
i += 1;
} else if (f.compare(i, 3, "FFF") == 0) {
r += fmt::format("{:03d}", t->Msec());
i += 2;
} else if (f.compare(i, 2, "AM") == 0) {
r += t->IsAM() ? "AM" : "PM";
i += 1;
} else if (f.compare(i, 4, "A.M.") == 0) {
r += t->IsAM() ? "A.M." : "P.M.";
i += 3;
} else {
return false;
}
return true;
}
/**
* HH - Hour of day (1-12)
* HH12 - Hour of day (1-12)
* HH24 - Hour of day (0-23)
* MI - Minute (0-59)
* SS - Second (0-59)
* SSSSS - Seconds past midnight (0-86399)
* FFF - Milliseconds
* AM - AM or PM
* A.M. - A.M. or P.M.
*/
std::string Time::ToString(const char* format) const {
if (IsInvalid()) {
return "";
}
std::string r;
std::string f = format;
for (size_t i = 0; i < f.size(); i++) {
if (!FormatTime(this, f, &i, &r)) {
r += f[i];
}
}
return r;
}
Time Time::operator+(int secs) const {
int ms_secs = secs * 1000;
EXIT_IF(ms_secs > TIME_MS_IN_DAY || ms_secs < -TIME_MS_IN_DAY);
if (IsInvalid()) {
return {};
}
int r = m_ms + ms_secs;
if (r < 0) {
r += TIME_MS_IN_DAY;
}
if (r >= TIME_MS_IN_DAY) {
r -= TIME_MS_IN_DAY;
}
return Time(r);
}
Time Time::operator-(int secs) const {
int ms_secs = secs * 1000;
EXIT_IF(ms_secs > TIME_MS_IN_DAY || ms_secs < -TIME_MS_IN_DAY);
if (IsInvalid()) {
return {};
}
int r = m_ms - ms_secs;
if (r < 0) {
r += TIME_MS_IN_DAY;
}
if (r >= TIME_MS_IN_DAY) {
r -= TIME_MS_IN_DAY;
}
return Time(r);
}
Time Time::operator+=(int secs) {
int ms_secs = secs * 1000;
EXIT_IF(ms_secs > TIME_MS_IN_DAY || ms_secs < -TIME_MS_IN_DAY);
if (!IsInvalid()) {
m_ms += ms_secs;
if (m_ms < 0) {
m_ms += TIME_MS_IN_DAY;
}
if (m_ms >= TIME_MS_IN_DAY) {
m_ms -= TIME_MS_IN_DAY;
}
}
return *this;
}
Time Time::operator-=(int secs) {
int ms_secs = secs * 1000;
EXIT_IF(ms_secs > TIME_MS_IN_DAY || ms_secs < -TIME_MS_IN_DAY);
if (!IsInvalid()) {
m_ms -= ms_secs;
if (m_ms < 0) {
m_ms += TIME_MS_IN_DAY;
}
if (m_ms >= TIME_MS_IN_DAY) {
m_ms -= TIME_MS_IN_DAY;
}
}
return *this;
}
DateTime DateTime::FromSystem() {
SysTimeStruct t {};
SysGetSystemTime(t);
if (t.is_invalid) {
return {};
}
return DateTime(Date(t.Year, t.Month, t.Day), Time(t.Hour, t.Minute, t.Second, t.Milliseconds));
}
DateTime DateTime::FromSystemUTC() {
SysTimeStruct t {};
SysGetSystemTimeUtc(t);
if (t.is_invalid) {
return {};
}
return DateTime(Date(t.Year, t.Month, t.Day), Time(t.Hour, t.Minute, t.Second, t.Milliseconds));
}
/**
* YYYY - 4-digit year
* YYY, YY, Y - Last 3, 2, or 1 digit(s) of year.
* Q - Quarter of year (1, 2, 3, 4; JAN-MAR = 1).
* MM - Month (01-12; JAN = 01).
* MON - Abbreviated name of month.
* MONTH - Name of month
* D - Day of week (1-7).
* DAY - Name of day.
* DY - Abbreviated name of day.
* DD - Day of month (01-31).
* DDD - Day of year (001-366).
* J - Julian day
* HH - Hour of day (1-12)
* HH12 - Hour of day (1-12)
* HH24 - Hour of day (0-23)
* MI - Minute (0-59)
* SS - Second (0-59)
* SSSSS - Seconds past midnight (0-86399)
* FFF - Milliseconds
* AM - AM or PM
* A.M. - A.M. or P.M.
*/
std::string DateTime::ToString(const char* format) const {
if (IsInvalid()) {
return "";
}
std::string r;
std::string f = format;
for (size_t i = 0; i < f.size(); i++) {
if (!FormatDate(&m_date, f, &i, &r) && !FormatTime(&m_time, f, &i, &r)) {
r += f[i];
}
}
return r;
}
double DateTime::ToUnix() const {
return (static_cast<double>(GetDate().JulianDay()) - 2440588.0) * 86400.0 +
static_cast<double>(GetTime().MsecTotal()) / 1000.0;
}
} // namespace Common