mirror of
https://github.com/OPM/ResInsight.git
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129 lines
4.5 KiB
C++
129 lines
4.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2017 Statoil ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include <qglobal.h>
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#include <qnamespace.h>
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#include <QString>
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#include <string>
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#include <vector>
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class QDateTime;
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class QDate;
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class QTime;
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class DateTimeSpan;
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//==================================================================================================
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//
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//==================================================================================================
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enum class DateTimePeriod
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{
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NONE = -1,
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DAY,
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WEEK,
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MONTH,
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QUARTER,
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HALFYEAR,
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YEAR,
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DECADE
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};
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//==================================================================================================
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//
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//==================================================================================================
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class RiaQDateTimeTools
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{
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static const DateTimeSpan TIMESPAN_DAY;
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static const DateTimeSpan TIMESPAN_WEEK;
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static const DateTimeSpan TIMESPAN_MONTH;
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static const DateTimeSpan TIMESPAN_QUARTER;
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static const DateTimeSpan TIMESPAN_HALFYEAR;
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static const DateTimeSpan TIMESPAN_YEAR;
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static const DateTimeSpan TIMESPAN_DECADE;
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public:
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static const QString TIMESPAN_DAY_NAME;
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static const QString TIMESPAN_WEEK_NAME;
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static const QString TIMESPAN_MONTH_NAME;
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static const QString TIMESPAN_QUARTER_NAME;
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static const QString TIMESPAN_HALFYEAR_NAME;
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static const QString TIMESPAN_YEAR_NAME;
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static const QString TIMESPAN_DECADE_NAME;
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static Qt::TimeSpec currentTimeSpec();
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static QDateTime fromString(const QString& dateString, const QString& format);
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static QDateTime fromYears(double years);
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static QDateTime fromTime_t(time_t t);
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static QDateTime addMSecs(const QDateTime& dt, double msecs);
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static QDateTime addDays(const QDateTime& dt, double days);
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static QDateTime addYears(const QDateTime& dt, double years);
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static QDateTime addSpan(const QDateTime& dt, DateTimeSpan span);
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static QDateTime subtractSpan(const QDateTime& dt, DateTimeSpan span);
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static QDateTime addPeriod(const QDateTime& dt, DateTimePeriod period);
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static QDateTime subtractPeriod(const QDateTime& dt, DateTimePeriod period);
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static QDateTime epoch();
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static QDateTime createUtcDateTime();
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static QDateTime createUtcDateTime(const QDate& date);
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static QDateTime createUtcDateTime(const QDate& date, const QTime& time);
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static QDateTime createUtcDateTime(const QDateTime& dt);
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static bool lessThan(const QDateTime& dt1, const QDateTime& dt2);
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static const DateTimeSpan timeSpan(DateTimePeriod period);
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static QDateTime truncateTime(const QDateTime& dt, DateTimePeriod period);
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static std::vector<DateTimePeriod> dateTimePeriods();
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static QString dateTimePeriodName(DateTimePeriod period);
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// This function uses C locale to make sure the text representation of a date is stable, independent of the locale
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// settings on local machine. Required for stable regression testing.
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static QString toStringUsingApplicationLocale(const QDateTime& dt, const QString& format);
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private:
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static quint64 secondsInDay();
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static quint64 secondsInYear();
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};
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//==================================================================================================
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///
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//==================================================================================================
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class DateTimeSpan
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{
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public:
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DateTimeSpan() : m_years(0), m_months(0), m_days(0) { }
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DateTimeSpan(int years, int months, int days) : m_years(years), m_months(months), m_days(days) { }
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int years() const { return m_years; }
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int months() const { return m_months; }
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int days() const { return m_days; }
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bool isEmpty() { return m_years == 0 && m_months == 0 && m_days; }
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private:
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int m_years;
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int m_months;
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int m_days;
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};
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