X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Ftime%2Fdatetime.cpp;h=26bd7cdb7d59925a0caf076b22dab059e8498a60;hp=8feeff2f0d21a798f153607ea3f3d02e93b36fd2;hb=d716073b5f2e2fcc518d53ec6ef09c5971b6d0e4;hpb=967785734be5c3fc6f75da122c2d93ebbb338271 diff --git a/source/time/datetime.cpp b/source/time/datetime.cpp index 8feeff2..26bd7cd 100644 --- a/source/time/datetime.cpp +++ b/source/time/datetime.cpp @@ -1,9 +1,9 @@ #include #include #include +#include #include "datetime.h" #include "timestamp.h" -#include "units.h" using namespace std; @@ -105,6 +105,36 @@ void DateTime::init(int y, unsigned char m, unsigned char d, unsigned char h, un throw out_of_range("DateTime::DateTime mday"); } +DateTime DateTime::parse_rfc3339(const string &str) +{ + static Regex re("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[-+]([0-9]{2}):([0-9]{2}))$"); + + RegMatch m = re.match(str); + if(!m) + throw invalid_argument("DateTime::parse_rfc3339"); + + unsigned year = lexical_cast(m[1].str); + unsigned month = lexical_cast(m[2].str); + unsigned mday = lexical_cast(m[3].str); + unsigned hr = lexical_cast(m[4].str); + unsigned minute = lexical_cast(m[5].str); + unsigned second = lexical_cast(m[6].str); + + DateTime result = DateTime(year, month, mday, hr, minute, second); + + int tzoff = 0; + if(m[7].str!="Z") + { + tzoff = lexical_cast(m[8].str)*60+lexical_cast(m[9].str); + if(m[7].str[0]=='-') + tzoff = -tzoff; + } + + result.set_timezone(tzoff); + + return result; +} + void DateTime::add_days(int days) { int new_year = year; @@ -121,7 +151,7 @@ void DateTime::add_days(int days) } // Fudge factor for leap day - int fudge = (month<=2)?1:0; + int fudge = (month<=2) ? 1 : 0; // (Almost) every 4 year cycle has 1 leap year and 3 normal years unsigned cycles = days/1461; @@ -148,7 +178,7 @@ void DateTime::add_days(int days) // We passed a leap year - decrement days if(days==0) { - days = is_leap_year(new_year-fudge)?365:364; + days = is_leap_year(new_year-fudge) ? 365 : 364; --new_year; } else @@ -306,10 +336,10 @@ void DateTime::add_raw(RawTime raw) raw += 86400000000LL; } - usec+=raw%1000000; raw /= 1000000; - second+=raw%60; raw /= 60; - minute+=raw%60; raw /= 60; - hour+=raw%24; raw /= 24; + usec += raw%1000000; raw /= 1000000; + second += raw%60; raw /= 60; + minute += raw%60; raw /= 60; + hour += raw%24; raw /= 24; add_days(days); normalize();