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      1 /*
      2  * Copyright (C) 2012 Patrick Gansterer <paroga (at) paroga.com>
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     20  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 #ifndef WTF_GregorianDateTime_h
     26 #define WTF_GregorianDateTime_h
     27 
     28 #include <string.h>
     29 #include <time.h>
     30 #include "wtf/Noncopyable.h"
     31 #include "wtf/WTFExport.h"
     32 
     33 namespace WTF {
     34 
     35 class GregorianDateTime {
     36     WTF_MAKE_NONCOPYABLE(GregorianDateTime);
     37 public:
     38     GregorianDateTime()
     39         : m_year(0)
     40         , m_month(0)
     41         , m_yearDay(0)
     42         , m_monthDay(0)
     43         , m_weekDay(0)
     44         , m_hour(0)
     45         , m_minute(0)
     46         , m_second(0)
     47         , m_utcOffset(0)
     48         , m_isDST(0)
     49     {
     50     }
     51 
     52     inline int year() const { return m_year; }
     53     inline int month() const { return m_month; }
     54     inline int yearDay() const { return m_yearDay; }
     55     inline int monthDay() const { return m_monthDay; }
     56     inline int weekDay() const { return m_weekDay; }
     57     inline int hour() const { return m_hour; }
     58     inline int minute() const { return m_minute; }
     59     inline int second() const { return m_second; }
     60     inline int utcOffset() const { return m_utcOffset; }
     61     inline int isDST() const { return m_isDST; }
     62 
     63     inline void setYear(int year) { m_year = year; }
     64     inline void setMonth(int month) { m_month = month; }
     65     inline void setYearDay(int yearDay) { m_yearDay = yearDay; }
     66     inline void setMonthDay(int monthDay) { m_monthDay = monthDay; }
     67     inline void setWeekDay(int weekDay) { m_weekDay = weekDay; }
     68     inline void setHour(int hour) { m_hour = hour; }
     69     inline void setMinute(int minute) { m_minute = minute; }
     70     inline void setSecond(int second) { m_second = second; }
     71     inline void setUtcOffset(int utcOffset) { m_utcOffset = utcOffset; }
     72     inline void setIsDST(int isDST) { m_isDST = isDST; }
     73 
     74     WTF_EXPORT void setToCurrentLocalTime();
     75 
     76     operator tm() const
     77     {
     78         tm ret;
     79         memset(&ret, 0, sizeof(ret));
     80 
     81         ret.tm_year = m_year - 1900;
     82         ret.tm_mon = m_month;
     83         ret.tm_yday = m_yearDay;
     84         ret.tm_mday = m_monthDay;
     85         ret.tm_wday = m_weekDay;
     86         ret.tm_hour = m_hour;
     87         ret.tm_min = m_minute;
     88         ret.tm_sec = m_second;
     89         ret.tm_isdst = m_isDST;
     90 
     91 #if HAVE(TM_GMTOFF)
     92         ret.tm_gmtoff = static_cast<long>(m_utcOffset);
     93 #endif
     94 
     95         return ret;
     96     }
     97 
     98     void copyFrom(const GregorianDateTime& other)
     99     {
    100         m_year = other.m_year;
    101         m_month = other.m_month;
    102         m_yearDay = other.m_yearDay;
    103         m_monthDay = other.m_monthDay;
    104         m_weekDay = other.m_weekDay;
    105         m_hour = other.m_hour;
    106         m_minute = other.m_minute;
    107         m_second = other.m_second;
    108         m_utcOffset = other.m_utcOffset;
    109         m_isDST = other.m_isDST;
    110     }
    111 
    112 private:
    113     int m_year;
    114     int m_month;
    115     int m_yearDay;
    116     int m_monthDay;
    117     int m_weekDay;
    118     int m_hour;
    119     int m_minute;
    120     int m_second;
    121     int m_utcOffset;
    122     int m_isDST;
    123 };
    124 
    125 } // namespace WTF
    126 
    127 using WTF::GregorianDateTime;
    128 
    129 #endif // WTF_GregorianDateTime_h
    130