2009-05-28 18:19:51 +00:00
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#include <Yandex/time2str.h>
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#include <Yandex/DateLUT.h>
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2013-08-11 03:40:14 +00:00
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DateLUT::DateLUT()
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2009-05-28 18:19:51 +00:00
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{
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2013-08-11 03:40:14 +00:00
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/** Дополнительный вызов Time2Date для случая, когда в 1981-1984 году в России,
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* 1 апреля начиналось в час ночи, не в полночь.
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*/
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for (time_t t = Time2Date(DATE_LUT_MIN);
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t <= DATE_LUT_MAX;
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t = Time2Date(TimeDayShift(t)))
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2009-05-28 18:19:51 +00:00
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{
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2013-08-11 03:40:14 +00:00
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Values values;
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struct tm tm;
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localtime_r(&t, &tm);
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values.year = tm.tm_year + 1900;
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values.month = tm.tm_mon + 1;
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values.day_of_week = tm.tm_wday == 0 ? 7 : tm.tm_wday;
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values.day_of_month = tm.tm_mday;
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tm.tm_hour = 0;
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tm.tm_min = 0;
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tm.tm_sec = 0;
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tm.tm_isdst = -1;
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values.date = mktime(&tm);
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lut.push_back(values);
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2009-05-28 18:19:51 +00:00
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}
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2013-08-11 03:40:14 +00:00
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/// Заполняем lookup таблицу для годов
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memset(years_lut, 0, DATE_LUT_YEARS * sizeof(years_lut[0]));
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for (size_t day = 0; day < lut.size() && lut[day].year <= DATE_LUT_MAX_YEAR; ++day)
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{
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if (lut[day].month == 1 && lut[day].day_of_month == 1)
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years_lut[lut[day].year - DATE_LUT_MIN_YEAR] = day;
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}
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offset_at_start_of_epoch = 86400 - lut[findIndex(86400)].date;
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2009-05-28 18:19:51 +00:00
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}
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