mythdate.h

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#ifndef MYTH_DATE_H
#define MYTH_DATE_H
 
#include <cstdint>
 
#include <QDateTime>
#include <QString>
 
#include "mythbaseexp.h"
#include "mythchrono.h"
 
namespace MythDate
{
 
enum Format
{
    ISODate        = Qt::ISODate,   
    kFilename      = 0x000100,      
    kDateFull      = 0x000200,      
    kDateShort     = 0x000400,      
    kDateEither    = kDateFull  | kDateShort,    
    kTime          = 0x000800,      
    kDateTimeFull  = kDateFull  | kTime, 
    kDateTimeShort = kDateShort | kTime, 
    kAddYear       = 0x001000,      
    kSimplify      = 0x002000,      
    kDatabase      = 0x004000,      
    kAutoYear      = 0x008000,      
    kScreenShotFilename = 0x010000,   
    kRFC822        = 0x020000,      
    kOverrideUTC   = 0x100000,      
    kOverrideLocal = 0x200000,      
};
 
MBASE_PUBLIC QDateTime current(bool stripped = false);
MBASE_PUBLIC QString current_iso_string(bool stripped = false);
MBASE_PUBLIC QDateTime as_utc(const QDateTime &dt);
 
MBASE_PUBLIC QDateTime fromString(const QString &dtstr);
MBASE_PUBLIC QDateTime fromString(const QString &dt, const QString &format);
MBASE_PUBLIC QDateTime fromSecsSinceEpoch(int64_t seconds);
MBASE_PUBLIC QString toString(
    const QDateTime &datetime, uint format = MythDate::kDateTimeFull);
MBASE_PUBLIC QString toString(
    QDate date, uint format = MythDate::kDateFull);
 
// Returns the total number of seconds since midnight
MBASE_PUBLIC std::chrono::seconds toSeconds( QTime time );
 
MBASE_PUBLIC std::chrono::milliseconds currentMSecsSinceEpochAsDuration(void);
MBASE_PUBLIC std::chrono::seconds secsInPast (const QDateTime& past);
MBASE_PUBLIC std::chrono::seconds secsInFuture (const QDateTime& future);
 
MBASE_PUBLIC QString formatTime(std::chrono::milliseconds msecs,
                                QString fmt = "HH:mm:ss");
 
} // namespace MythDate
 
inline int ternary_compare(const QDateTime& a, const QDateTime& b)
{
    if (a < b) return -1;
    if (a > b) return +1;
    return 0; // a == b
}
 
#endif // MYTH_DATE_H