diff options
Diffstat (limited to 'zen/time.h')
| -rw-r--r-- | zen/time.h | 35 |
1 files changed, 33 insertions, 2 deletions
@@ -41,7 +41,7 @@ TimeComp getCompileTime(); //returns TimeComp() on error formatTime(Zstr("%Y|%m|%d")); -> "2011|10|29" formatTime(formatDateTag); -> "2011-10-29" formatTime(formatTimeTag); -> "17:55:34" */ -Zstring formatTime(const Zchar* format, const TimeComp& tc = getLocalTime()); //format as specified by "std::strftime", returns empty string on failure +Zstring formatTime(const Zchar* format, const TimeComp& tc = getLocalTime()); //format as specified by "std::strftime", returns empty string on error //the "format" parameter of formatTime() is partially specialized with the following type tags: const Zchar* const formatDateTag = Zstr("%x"); //locale-dependent date representation: e.g. 8/23/2001 @@ -59,7 +59,8 @@ template <class String, class String2> TimeComp parseTime(const String& format, const String2& str); //similar to ::strptime() //---------------------------------------------------------------------------------------------------------------------------------- - +//format: [-][[d.]HH:]MM:SS e.g. -1.23:45:67 +Zstring formatTimeSpan(int64_t timeInSec, bool hourOptional = false); @@ -385,6 +386,36 @@ TimeComp parseTime(const String& format, const String2& str) return output; } + + +inline +Zstring formatTimeSpan(int64_t timeInSec, bool hourOptional) +{ + Zstring timespanStr; + + if (timeInSec < 0) + { + timeInSec = -timeInSec; //need to fix LLONG_MIN? + timespanStr = Zstr('-'); + } + + //check *before* subtracting days! + const Zchar* timeSpanFmt = hourOptional && timeInSec < 3600 ? Zstr("%M:%S") : formatIsoTimeTag; + + const int secsPerDay = 24 * 3600; + const int64_t days = numeric::intDivFloor(timeInSec, secsPerDay); + if (days > 0) + { + timeInSec -= days * secsPerDay; + timespanStr += numberTo<Zstring>(days) + Zstr("."); //don't need zen::formatNumber(), do we? + } + + //format time span as if absolute UTC time + const TimeComp& tc = getUtcTime(timeInSec); //returns TimeComp() on error + timespanStr += formatTime(timeSpanFmt, tc); //returns empty string on error + + return timespanStr; +} } #endif //TIME_H_8457092814324342453627 |