epicsTimeHelper.h

// epicsTimeHelper

#ifndef __EPICSTIMEHELPER_H__
#define __EPICSTIMEHELPER_H__

// epics
#include "epicsTime.h"

#include "tools/ToolsConfig.h"


class SecondParser
{
public:
    static bool parse(const stdString &t, double &n, double default_factor=1.0);

    static stdString format(double seconds);
};

extern const epicsTime nullTime;

bool isValidTime(const epicsTime &t);


bool string2epicsTime(const stdString &txt, epicsTime &time);


bool epicsTime2string(const epicsTime &time, stdString &txt);

const char *epicsTimeTxt(const epicsTime &time, stdString &txt);


void epicsTime2vals(const epicsTime &time,
                    int &year, int &month, int &day,
                    int &hour, int &min, int &sec, unsigned long &nano);

void vals2epicsTime(int year, int month, int day,
                    int hour, int min, int sec, unsigned long nano,
                    epicsTime &time);

// Some of these are magic numbers because e.g.
// the number of seconds per month of course depends on the month.
#define secsPerMinute 60
#define secsPerHour   (60*60)
#define secsPerDay    (60*60*24)
#define secsPerMonth  (60*60*24*31)
#define secsPerYear   (60*60*24*31*365)

epicsTime roundTime (const epicsTime &time, double secs);

epicsTime roundTimeUp (const epicsTime &time, double secs);

epicsTime roundTimeDown (const epicsTime &time, double secs);


#endif //__EPICSTIMEHELPER_H__