ai_date.cpp

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00001 /* $Id: ai_date.cpp 15060 2009-01-13 15:44:36Z smatz $ */
00002 
00005 #include "ai_date.hpp"
00006 #include "../../date_func.h"
00007 
00008 /* static */ int32 AIDate::GetCurrentDate()
00009 {
00010   return ::_date;
00011 }
00012 
00013 /* static */ int32 AIDate::GetYear(int32 date)
00014 {
00015   if (date < 0) return -1;
00016 
00017   ::YearMonthDay ymd;
00018 	::ConvertDateToYMD(date, &ymd);
00019   return ymd.year;
00020 }
00021 
00022 /* static */ int32 AIDate::GetMonth(int32 date)
00023 {
00024   if (date < 0) return -1;
00025 
00026   ::YearMonthDay ymd;
00027 	::ConvertDateToYMD(date, &ymd);
00028   return ymd.month + 1;
00029 }
00030 
00031 /* static */ int32 AIDate::GetDayOfMonth(int32 date)
00032 {
00033   if (date < 0) return -1;
00034 
00035   ::YearMonthDay ymd;
00036 	::ConvertDateToYMD(date, &ymd);
00037   return ymd.day;
00038 }
00039 
00040 /* static */ int32 AIDate::GetDate(int32 year, int32 month, int32 day_of_month)
00041 {
00042   if (month < 1 || month > 12) return -1;
00043   if (day_of_month < 1 || day_of_month > 31) return -1;
00044   if (year < 0 || year > MAX_YEAR) return -1;
00045 
00046   return ::ConvertYMDToDate(year, month - 1, day_of_month);
00047 }

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