DateLUT: added methods makeDayNum(), makeDate(), makeDateTime().

libs/libcommon/src/DateLUT.cpp

@@ -32,5 +32,13 @@ namespace Yandex
 
 			lut.push_back(values);
 		}
+
+		/// Заполняем lookup таблицу для годов
+		memset(years_lut, 0, DATE_LUT_YEARS * sizeof(years_lut[0]));
+		for (size_t day = 0; day < lut.size() && lut[day].year < DATE_LUT_YEARS + 1900; ++day)
+		{
+			if (lut[day].month == 1 && lut[day].day_of_month == 1)
+				years_lut[lut[day].year - 1900] = day;
+		}
 	}
 }

libs/libcommon/src/tests/date_lut3.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+
+#include <Poco/Exception.h>
+
+#include <Yandex/DateLUT.h>
+#include <Yandex/time2str.h>
+
+
+void loop(time_t begin, time_t end, int step)
+{
+	Yandex::DateLUTSingleton & date_lut = Yandex::DateLUTSingleton::instance();
+	
+	for (time_t t = begin; t < end; t += step)
+	{
+		time_t t2 = date_lut.makeDateTime(date_lut.toYear(t), date_lut.toMonth(t), date_lut.toDayOfMonth(t),
+			date_lut.toHourInaccurate(t), date_lut.toMinute(t), date_lut.toSecond(t));
+
+		std::string s1 = Yandex::Time2Sql(t);
+		std::string s2 = Yandex::Time2Sql(t2);
+			
+		std::cerr << s1 << ", " << s2 << std::endl;
+		
+		if (s1 != s2)
+			throw Poco::Exception("Test failed.");
+	}
+}
+
+
+int main(int argc, char ** argv)
+{
+	loop(Yandex::OrderedIdentifier2Date(20101031), Yandex::OrderedIdentifier2Date(20101101), 15 * 60);
+	loop(Yandex::OrderedIdentifier2Date(20100328), Yandex::OrderedIdentifier2Date(20100330), 15 * 60);
+
+	return 0;
+}