std::string
to_string(std::chrono::system_clock::time_point tp)
{
const char* months[] =
{
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
using namespace std::chrono;
auto s = floor<seconds>(tp.time_since_epoch());
auto sd = floor<days>(s); // number of days
s -= sd; // time of day in seconds
auto h = floor<hours>(s);
s -= h;
auto m = floor<minutes>(s);
s -= m;
int y;
unsigned mn, d;
std::tie(y, mn, d) = civil_from_days(static_cast<int>(sd.count()));
// Date-time in y/mn/d h:m:s
std::ostringstream str;
str.fill('0');
str.flags(std::ios::dec | std::ios::right);
using std::setw;
str << y << '-' << months[mn-1] << '-' << setw(2) << d << ' '
<< setw(2) << h.count() << ':'
<< setw(2) << m.count() << ':'
<< setw(2) << s.count();
return str.str();
}
aku_Timestamp DateTimeUtil::from_std_chrono(std::chrono::system_clock::time_point timestamp) {
auto duration = timestamp.time_since_epoch();
DurationT result = std::chrono::duration_cast<DurationT>(duration);
return result.count();
}
Time from_chrono(const std::chrono::system_clock::time_point&t){
auto now=t.time_since_epoch();
return std::chrono::duration_cast<std::chrono::milliseconds>(now).count();
}
AmfDate(std::chrono::system_clock::time_point date) {
auto duration = date.time_since_epoch();
value = std::chrono::duration_cast<std::chrono::milliseconds>(
duration).count();
}
void ArgumentCoder<std::chrono::system_clock::time_point>::encode(IPC::Encoder& encoder, const std::chrono::system_clock::time_point& timePoint)
{
encoder << static_cast<int64_t>(timePoint.time_since_epoch().count());
}
inline double ToJulianDay(std::chrono::system_clock::time_point point)
{
auto days = std::chrono::duration_cast<std::chrono::hours>(point.time_since_epoch()).count() / 24;
return days + QDATE_JULIAN_DAY_FOR_UNIX_EPOCH;
}
inline QDateTime ToQDateTime(std::chrono::system_clock::time_point point)
{
auto msec = std::chrono::duration_cast<std::chrono::milliseconds>(point.time_since_epoch());
return QDateTime::fromMSecsSinceEpoch(msec.count());
}
/// QDateTime - qt shared data class, который создается на куче.
/// предоставляем 2 версии сигнатур с in/out параметром и return формой
inline void ToQDateTime(std::chrono::system_clock::time_point point, QDateTime & dt)
{
auto msec = std::chrono::duration_cast<std::chrono::milliseconds>(point.time_since_epoch());
dt.setMSecsSinceEpoch(msec.count());
}
void Sqlite3_Database::Sqlite3_Statement::bind(int column, std::chrono::system_clock::time_point time)
{
const int timeval = std::chrono::duration_cast<std::chrono::seconds>(time.time_since_epoch()).count();
bind(column, timeval);
}
int64_t to_us(const std::chrono::system_clock::time_point &tp) {
return std::chrono::duration_cast<std::chrono::microseconds>(tp.time_since_epoch()).count();
}