TimeManager.cpp

00001 #include "TimeManager.h"
00002 #include "global.h"
00003 
00004 
00005 /* Cyclic handler (for tick) */
00006 void flip() {
00007     pTM->tick();
00008 }
00009 
00010 /* Constractor */
00011 TimeManager::TimeManager(void)
00012 {
00013     current.tm_sec = 0;
00014     current.tm_min = 0;
00015     current.tm_hour = 0;
00016     current.tm_mday = 1;
00017     current.tm_mon = 1;
00018     current.tm_year = 0;
00019     baseclock.attach(flip, 1.0);
00020 }
00021 
00022 /* tick (currenttime++) */
00023 void TimeManager::tick(void)
00024 {
00025     int daysInMonth = getDaysInMonth(current.tm_mon, current.tm_year);
00026     current.tm_sec++;
00027     if (current.tm_sec >= 60) {
00028         current.tm_sec = 0;
00029         current.tm_min++;
00030     } else { return; }
00031     if (current.tm_min >= 60) {
00032         current.tm_min = 0;
00033         current.tm_hour++;
00034     } else { return; }
00035     if (current.tm_hour >= 24) {
00036         current.tm_hour = 0;
00037         current.tm_mday++;
00038     } else { return; }
00039     if (current.tm_mday > daysInMonth) {
00040         current.tm_mday = 0;
00041         current.tm_mon++;
00042     } else { return; }
00043     if (current.tm_mon > 12) {
00044         current.tm_mon = 1;
00045         current.tm_year++;
00046     } else { return; }
00047 }
00048 
00049 /* copy Struct Time to arg */
00050 void TimeManager::getCurrentTime(struct tm *ret)
00051 {
00052     *ret = current;
00053 }
00054 
00055 /* get string of timestamp */
00056 int TimeManager::getTimeStamp(char *dst)
00057 {
00058     char dummy[TimeStampLength + 1];
00059     sprintf(dummy, "%04d-%02d-%02d_%02d-%02d-%02d",
00060         current.tm_year + 1900, current.tm_mon, current.tm_mday,
00061         current.tm_hour, current.tm_min, current.tm_sec);
00062     memcpy(dst, dummy, TimeStampLength);    
00063     return TimeStampLength;
00064 }
00065 
00066 /* set time parameters */
00067 bool TimeManager::setCurrentTime(int selector, int set)
00068 {
00069     bool finish = false;
00070     int daysInMonth = getDaysInMonth(current.tm_mon, current.tm_year);
00071     dbgprintf("setCurrentTime:%d-%d(%d)\n", selector, set, daysInMonth);
00072     switch (selector) {
00073     case SetTimeMethod::Year:
00074         if (set >= 0) {
00075             current.tm_year = set;
00076             finish = true;
00077         }
00078         break;
00079     case SetTimeMethod::Month:
00080         if (set > 0 && set <= 12) {
00081             current.tm_mon = set;
00082             finish = true;
00083         }
00084         break;
00085     case SetTimeMethod::Day:
00086         if (set > 0 && set <= daysInMonth) {
00087             current.tm_mday = set;
00088             finish = true;
00089         }
00090         break;
00091     case SetTimeMethod::Hour:
00092         if (set >= 0 && set < 24) {
00093             current.tm_hour = set;
00094             finish = true;
00095         }
00096         break;
00097     case SetTimeMethod::Min:
00098         if (set >= 0 && set < 60) {
00099             current.tm_min = set;
00100             finish = true;
00101         }
00102         break;
00103     case SetTimeMethod::Sec:
00104         if (set >= 0 && set < 60) {
00105             current.tm_sec = set;
00106             finish = true;
00107         }
00108         break;
00109     };
00110     return finish;
00111 }
00112 
00113 /* calcurate Number of Days in month */
00114 int TimeManager::getDaysInMonth(int month, int year)
00115 {
00116     int daysInMonth;
00117     bool leap;
00118     year += 1900;
00119     leap = (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0))? true : false;
00120 
00121     if (((month % 2 == 1) && (month <= 7)) ||
00122         ((month % 2 == 0) && (month >= 8))) {
00123         /* 31days/month */
00124         daysInMonth = 31;
00125     } else if (month == 2) {
00126         /* 28days OR 29days/month */
00127         if (leap) {
00128             daysInMonth = 29;
00129         } else {
00130             daysInMonth = 28;
00131         }
00132     } else {
00133         /* 30days/month */
00134         daysInMonth = 30;
00135     }
00136     return daysInMonth;
00137 }