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removing old trunk files
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Aleksandar Fabijanic
@@ -1,423 +0,0 @@
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//
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// DateTime.cpp
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//
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// $Id: //poco/1.4/Foundation/src/DateTime.cpp#1 $
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//
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// Library: Foundation
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// Package: DateTime
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// Module: DateTime
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/DateTime.h"
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#include "Poco/Timespan.h"
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#include <algorithm>
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#include <cmath>
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namespace Poco {
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inline double DateTime::toJulianDay(Timestamp::UtcTimeVal utcTime)
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{
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double utcDays = double(utcTime)/864000000000.0;
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return utcDays + 2299160.5; // first day of Gregorian reform (Oct 15 1582)
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}
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inline Timestamp::UtcTimeVal DateTime::toUtcTime(double julianDay)
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{
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return Timestamp::UtcTimeVal((julianDay - 2299160.5)*864000000000.0);
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}
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DateTime::DateTime()
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{
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Timestamp now;
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_utcTime = now.utcTime();
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computeGregorian(julianDay());
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computeDaytime();
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}
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DateTime::DateTime(const Timestamp& timestamp):
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_utcTime(timestamp.utcTime())
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{
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computeGregorian(julianDay());
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computeDaytime();
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}
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DateTime::DateTime(int year, int month, int day, int hour, int minute, int second, int millisecond, int microsecond):
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_year(year),
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_month(month),
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_day(day),
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_hour(hour),
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_minute(minute),
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_second(second),
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_millisecond(millisecond),
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_microsecond(microsecond)
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{
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poco_assert (year >= 0 && year <= 9999);
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poco_assert (month >= 1 && month <= 12);
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poco_assert (day >= 1 && day <= daysOfMonth(year, month));
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poco_assert (hour >= 0 && hour <= 23);
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poco_assert (minute >= 0 && minute <= 59);
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poco_assert (second >= 0 && second <= 59);
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poco_assert (millisecond >= 0 && millisecond <= 999);
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poco_assert (microsecond >= 0 && microsecond <= 999);
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_utcTime = toUtcTime(toJulianDay(year, month, day)) + 10*(hour*Timespan::HOURS + minute*Timespan::MINUTES + second*Timespan::SECONDS + millisecond*Timespan::MILLISECONDS + microsecond);
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}
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DateTime::DateTime(double julianDay):
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_utcTime(toUtcTime(julianDay))
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{
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computeGregorian(julianDay);
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}
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DateTime::DateTime(Timestamp::UtcTimeVal utcTime, Timestamp::TimeDiff diff):
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_utcTime(utcTime + diff*10)
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{
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computeGregorian(julianDay());
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computeDaytime();
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}
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DateTime::DateTime(const DateTime& dateTime):
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_utcTime(dateTime._utcTime),
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_year(dateTime._year),
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_month(dateTime._month),
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_day(dateTime._day),
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_hour(dateTime._hour),
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_minute(dateTime._minute),
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_second(dateTime._second),
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_millisecond(dateTime._millisecond),
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_microsecond(dateTime._microsecond)
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{
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}
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DateTime::~DateTime()
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{
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}
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DateTime& DateTime::operator = (const DateTime& dateTime)
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{
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if (&dateTime != this)
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{
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_utcTime = dateTime._utcTime;
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_year = dateTime._year;
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_month = dateTime._month;
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_day = dateTime._day;
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_hour = dateTime._hour;
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_minute = dateTime._minute;
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_second = dateTime._second;
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_millisecond = dateTime._millisecond;
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_microsecond = dateTime._microsecond;
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}
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return *this;
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}
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DateTime& DateTime::operator = (const Timestamp& timestamp)
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{
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_utcTime = timestamp.utcTime();
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computeGregorian(julianDay());
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computeDaytime();
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return *this;
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}
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DateTime& DateTime::operator = (double julianDay)
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{
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_utcTime = toUtcTime(julianDay);
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computeGregorian(julianDay);
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return *this;
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}
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DateTime& DateTime::assign(int year, int month, int day, int hour, int minute, int second, int millisecond, int microsecond)
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{
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poco_assert (year >= 0 && year <= 9999);
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poco_assert (month >= 1 && month <= 12);
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poco_assert (day >= 1 && day <= daysOfMonth(year, month));
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poco_assert (hour >= 0 && hour <= 23);
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poco_assert (minute >= 0 && minute <= 59);
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poco_assert (second >= 0 && second <= 59);
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poco_assert (millisecond >= 0 && millisecond <= 999);
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poco_assert (microsecond >= 0 && microsecond <= 999);
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_utcTime = toUtcTime(toJulianDay(year, month, day)) + 10*(hour*Timespan::HOURS + minute*Timespan::MINUTES + second*Timespan::SECONDS + millisecond*Timespan::MILLISECONDS + microsecond);
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_year = year;
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_month = month;
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_day = day;
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_hour = hour;
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_minute = minute;
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_second = second;
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_millisecond = millisecond;
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_microsecond = microsecond;
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return *this;
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}
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void DateTime::swap(DateTime& dateTime)
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{
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std::swap(_utcTime, dateTime._utcTime);
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std::swap(_year, dateTime._year);
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std::swap(_month, dateTime._month);
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std::swap(_day, dateTime._day);
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std::swap(_hour, dateTime._hour);
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std::swap(_minute, dateTime._minute);
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std::swap(_second, dateTime._second);
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std::swap(_millisecond, dateTime._millisecond);
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std::swap(_microsecond, dateTime._microsecond);
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}
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int DateTime::dayOfWeek() const
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{
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return int((std::floor(julianDay() + 1.5))) % 7;
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}
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int DateTime::dayOfYear() const
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{
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int doy = 0;
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for (int month = 1; month < _month; ++month)
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doy += daysOfMonth(_year, month);
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doy += _day;
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return doy;
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}
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int DateTime::daysOfMonth(int year, int month)
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{
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poco_assert (month >= 1 && month <= 12);
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static int daysOfMonthTable[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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if (month == 2 && isLeapYear(year))
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return 29;
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else
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return daysOfMonthTable[month];
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}
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bool DateTime::isValid(int year, int month, int day, int hour, int minute, int second, int millisecond, int microsecond)
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{
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return
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(year >= 0 && year <= 9999) &&
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(month >= 1 && month <= 12) &&
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(day >= 1 && day <= daysOfMonth(year, month)) &&
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(hour >= 0 && hour <= 23) &&
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(minute >= 0 && minute <= 59) &&
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(second >= 0 && second <= 59) &&
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(millisecond >= 0 && millisecond <= 999) &&
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(microsecond >= 0 && microsecond <= 999);
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}
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int DateTime::week(int firstDayOfWeek) const
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{
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poco_assert (firstDayOfWeek >= 0 && firstDayOfWeek <= 6);
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/// find the first firstDayOfWeek.
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int baseDay = 1;
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while (DateTime(_year, 1, baseDay).dayOfWeek() != firstDayOfWeek) ++baseDay;
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int doy = dayOfYear();
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int offs = baseDay <= 4 ? 0 : 1;
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if (doy < baseDay)
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return offs;
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else
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return (doy - baseDay)/7 + 1 + offs;
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}
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double DateTime::julianDay() const
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{
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return toJulianDay(_utcTime);
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}
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DateTime DateTime::operator + (const Timespan& span) const
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{
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return DateTime(_utcTime, span.totalMicroseconds());
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}
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DateTime DateTime::operator - (const Timespan& span) const
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{
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return DateTime(_utcTime, -span.totalMicroseconds());
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}
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Timespan DateTime::operator - (const DateTime& dateTime) const
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{
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return Timespan((_utcTime - dateTime._utcTime)/10);
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}
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DateTime& DateTime::operator += (const Timespan& span)
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{
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_utcTime += span.totalMicroseconds()*10;
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computeGregorian(julianDay());
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computeDaytime();
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return *this;
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}
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DateTime& DateTime::operator -= (const Timespan& span)
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{
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_utcTime -= span.totalMicroseconds()*10;
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computeGregorian(julianDay());
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computeDaytime();
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return *this;
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}
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void DateTime::makeUTC(int tzd)
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{
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operator -= (Timespan(((Timestamp::TimeDiff) tzd)*Timespan::SECONDS));
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}
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void DateTime::makeLocal(int tzd)
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{
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operator += (Timespan(((Timestamp::TimeDiff) tzd)*Timespan::SECONDS));
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}
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double DateTime::toJulianDay(int year, int month, int day, int hour, int minute, int second, int millisecond, int microsecond)
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{
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// lookup table for (153*month - 457)/5 - note that 3 <= month <= 14.
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static int lookup[] = {-91, -60, -30, 0, 31, 61, 92, 122, 153, 184, 214, 245, 275, 306, 337};
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// day to double
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double dday = double(day) + ((double((hour*60 + minute)*60 + second)*1000 + millisecond)*1000 + microsecond)/86400000000.0;
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if (month < 3)
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{
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month += 12;
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--year;
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}
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double dyear = double(year);
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return dday + lookup[month] + 365*year + std::floor(dyear/4) - std::floor(dyear/100) + std::floor(dyear/400) + 1721118.5;
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}
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void DateTime::checkLimit(short& lower, short& higher, short limit)
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{
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if (lower >= limit)
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{
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higher += short(lower / limit);
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lower = short(lower % limit);
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}
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}
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void DateTime::normalize()
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{
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checkLimit(_microsecond, _millisecond, 1000);
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checkLimit(_millisecond, _second, 1000);
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checkLimit(_second, _minute, 60);
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checkLimit(_minute, _hour, 60);
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checkLimit(_hour, _day, 24);
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if (_day > daysOfMonth(_year, _month))
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{
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_day -= daysOfMonth(_year, _month);
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if (++_month > 12)
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{
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++_year;
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_month -= 12;
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}
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}
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}
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void DateTime::computeGregorian(double julianDay)
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{
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double z = std::floor(julianDay - 1721118.5);
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double r = julianDay - 1721118.5 - z;
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double g = z - 0.25;
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double a = std::floor(g / 36524.25);
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double b = a - std::floor(a/4);
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_year = short(std::floor((b + g)/365.25));
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double c = b + z - std::floor(365.25*_year);
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_month = short(std::floor((5*c + 456)/153));
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double dday = c - std::floor((153.0*_month - 457)/5) + r;
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_day = short(dday);
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if (_month > 12)
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{
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++_year;
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_month -= 12;
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}
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r *= 24;
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_hour = short(std::floor(r));
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r -= std::floor(r);
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r *= 60;
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_minute = short(std::floor(r));
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r -= std::floor(r);
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r *= 60;
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_second = short(std::floor(r));
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r -= std::floor(r);
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r *= 1000;
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_millisecond = short(std::floor(r));
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r -= std::floor(r);
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r *= 1000;
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_microsecond = short(r + 0.5);
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normalize();
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poco_assert_dbg (_month >= 1 && _month <= 12);
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poco_assert_dbg (_day >= 1 && _day <= daysOfMonth(_year, _month));
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poco_assert_dbg (_hour >= 0 && _hour <= 23);
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poco_assert_dbg (_minute >= 0 && _minute <= 59);
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poco_assert_dbg (_second >= 0 && _second <= 59);
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poco_assert_dbg (_millisecond >= 0 && _millisecond <= 999);
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poco_assert_dbg (_microsecond >= 0 && _microsecond <= 999);
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}
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void DateTime::computeDaytime()
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{
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Timespan span(_utcTime/10);
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_hour = span.hours();
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_minute = span.minutes();
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_second = span.seconds();
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_millisecond = span.milliseconds();
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_microsecond = span.microseconds();
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}
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} // namespace Poco
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