better encapsulation of DateTime object

2004-07-12 06:39:13 +00:00
parent e075fdf388
commit 6130b66188
8 changed files with 149 additions and 63 deletions
@@ -0,0 +1,79 @@
+#ifndef DATE_TIME_H
+#define DATE_TIME_H
+
+#include <ctime>
+
+const int NUM_LAST_DAYS = 7;
+const int NUM_LAST_WEEKS = 52;
+const int DAYS_IN_YEAR = 365;
+const int HOURS_IN_DAY = 24;
+const int DAYS_IN_WEEK = 7;
+const int MONTHS_IN_YEAR = 12;
+
+CString DayInYearToString( int iDayInYearIndex );
+CString LastDayToString( int iLastDayIndex );
+CString DayOfWeekToString( int iDayOfWeekIndex );
+CString HourInDayToString( int iHourIndex );
+CString MonthToString( int iMonthIndex );
+CString LastWeekToString( int iLastWeekIndex );
+
+tm AddDays( tm start, int iDaysToMove );
+tm GetYesterday( tm start );
+int GetDayOfWeek( tm time );
+tm GetNextSunday( tm start );
+
+tm GetDayInYearAndYear( int iDayInYearIndex, int iYear );
+
+
+struct DateTime : public tm
+{
+	bool operator<( const DateTime& other ) const
+	{
+	#define COMPARE( v ) if(v!=other.v) return v<other.v;
+		COMPARE( tm_year );
+		COMPARE( tm_mon );
+		COMPARE( tm_mday );
+		COMPARE( tm_hour );
+		COMPARE( tm_min );
+		COMPARE( tm_sec );
+	#undef COMPARE
+		// they're equal
+		return true;
+	}
+	static DateTime GetNowDateTime();
+	static DateTime GetNowDate();	// GetNowDateTime() with time chopped off
+	
+	void StripTime();
+
+	CString GetString() const;
+	CString GetDateString() const;
+	bool FromString( const CString sDateTime );
+};
+
+
+#endif
+
+/*
+ * (c) 2001-2004 Chris Danford
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */