8ee69b0ba1
Change-Id: I4899c89ee5b2a54c9c05b531ab284365f1558e3d Reviewed-on: https://gerrit.libreoffice.org/5270 Tested-by: Lionel Elie Mamane <lionel@mamane.lu> Reviewed-by: Lionel Elie Mamane <lionel@mamane.lu>
198 lines
8.3 KiB
C++
198 lines
8.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _DATE_HXX
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#define _DATE_HXX
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#include "tools/toolsdllapi.h"
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#include <tools/solar.h>
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#include <com/sun/star/util/Date.hpp>
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#include <sal/log.hxx>
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class ResId;
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enum DayOfWeek { MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY,
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SATURDAY, SUNDAY };
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// TODO FIXME: make it handle signed year?
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class TOOLS_DLLPUBLIC SAL_WARN_UNUSED Date
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{
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private:
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sal_uInt32 nDate;
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void init( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear )
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{ nDate = ( sal_uInt32( nDay % 100 ) ) +
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( ( sal_uInt32( nMonth % 100 ) ) * 100 ) +
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( ( sal_uInt32( nYear % 10000 ) ) * 10000); }
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public:
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enum DateInitSystem
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{
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SYSTEM
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};
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// TODO temporary until all uses are inspected and resolved
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enum DateInitEmpty
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{
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EMPTY
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};
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Date( DateInitEmpty)
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{ nDate = 0; }
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Date( DateInitSystem );
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Date( const ResId & rResId );
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Date( sal_uInt32 _nDate ) { Date::nDate = _nDate; }
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Date( const Date& rDate )
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{ nDate = rDate.nDate; }
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Date( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear )
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{ init(nDay, nMonth, nYear); }
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Date( const ::com::sun::star::util::Date& _rDate )
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{
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SAL_WARN_IF(_rDate.Year < 0, "tools.datetime", "Negative year in css::util::Date to ::Date conversion");
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init(_rDate.Day, _rDate.Month, _rDate.Year);
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}
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void SetDate( sal_uInt32 nNewDate ) { nDate = nNewDate; }
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sal_uInt32 GetDate() const { return nDate; }
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::com::sun::star::util::Date GetUNODate() const { return ::com::sun::star::util::Date(GetDay(), GetMonth(), GetYear()); }
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void SetDay( sal_uInt16 nNewDay );
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void SetMonth( sal_uInt16 nNewMonth );
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void SetYear( sal_uInt16 nNewYear );
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sal_uInt16 GetDay() const { return (sal_uInt16)(nDate % 100); }
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sal_uInt16 GetMonth() const { return (sal_uInt16)((nDate / 100) % 100); }
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sal_uInt16 GetYear() const { return (sal_uInt16)(nDate / 10000); }
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/** Obtain the day of the week for the date.
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Internally normalizes a copy of values.
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The result may be unexpected for a non-normalized invalid date like
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Date(31,11,2000) or a sequence of aDate.SetDay(31); aDate.SetMonth(11);
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*/
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DayOfWeek GetDayOfWeek() const;
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/** Obtain the day of the year for the date.
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Internally normalizes a copy of values.
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The result may be unexpected for a non-normalized invalid date like
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Date(31,11,2000) or a sequence of aDate.SetDay(31); aDate.SetMonth(11);
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*/
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sal_uInt16 GetDayOfYear() const;
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/** Obtain the week of the year for a date.
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@param nMinimumNumberOfDaysInWeek
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How many days of a week must reside in the first week of a year.
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Internally normalizes a copy of values.
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The result may be unexpected for a non-normalized invalid date like
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Date(31,11,2000) or a sequence of aDate.SetDay(31); aDate.SetMonth(11);
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*/
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sal_uInt16 GetWeekOfYear( DayOfWeek eStartDay = MONDAY,
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sal_Int16 nMinimumNumberOfDaysInWeek = 4 ) const;
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/** Obtain the number of days in the month of the year of the date.
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Internally normalizes a copy of values.
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The result may be unexpected for a non-normalized invalid date like
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Date(31,11,2000) or a sequence of aDate.SetDay(31); aDate.SetMonth(11);
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These would result in 31 as --11-31 rolls over to --12-01 and the
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number of days in December is returned.
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Instead, to obtain the value for the actual set use the static method
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Date::GetDaysInMonth( aDate.GetMonth(), aDate.GetYear()) in such cases.
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*/
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sal_uInt16 GetDaysInMonth() const;
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sal_uInt16 GetDaysInYear() const { return (IsLeapYear()) ? 366 : 365; }
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bool IsLeapYear() const;
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/** If the represented date is valid (1<=month<=12, 1<=day<=(28,29,30,31)
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depending on month/year) AND is of the Gregorian calendar (1582-10-15
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<= date) (AND implicitly date <= 9999-12-31 due to internal
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representation) */
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bool IsValidAndGregorian() const;
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/** If the represented date is valid (1<=month<=12, 1<=day<=(28,29,30,31)
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depending on month/year) */
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bool IsValidDate() const;
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/** Normalize date, invalid day or month values are adapted such that they
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carry over to the next month or/and year, for example 1999-02-32
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becomes 1999-03-04, 1999-13-01 becomes 2000-01-01, 1999-13-42 becomes
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2000-02-11. Truncates at 9999-12-31, 0000-00-x will yield the
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normalized value of 0000-01-max(1,(x-31))
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This may be necessary after Date ctors or if the SetDate(), SetDay(),
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SetMonth(), SetYear() methods set individual non-matching values.
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Adding/subtracting to/from dates never produces invalid dates.
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@returns TRUE if the date was normalized, i.e. not valid before.
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*/
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bool Normalize();
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bool IsBetween( const Date& rFrom, const Date& rTo ) const
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{ return ((nDate >= rFrom.nDate) &&
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(nDate <= rTo.nDate)); }
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bool operator ==( const Date& rDate ) const
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{ return (nDate == rDate.nDate); }
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bool operator !=( const Date& rDate ) const
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{ return (nDate != rDate.nDate); }
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bool operator >( const Date& rDate ) const
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{ return (nDate > rDate.nDate); }
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bool operator <( const Date& rDate ) const
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{ return (nDate < rDate.nDate); }
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bool operator >=( const Date& rDate ) const
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{ return (nDate >= rDate.nDate); }
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bool operator <=( const Date& rDate ) const
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{ return (nDate <= rDate.nDate); }
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Date& operator =( const Date& rDate )
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{ nDate = rDate.nDate; return *this; }
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Date& operator +=( long nDays );
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Date& operator -=( long nDays );
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Date& operator ++();
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Date& operator --();
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Date operator ++( int );
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Date operator --( int );
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TOOLS_DLLPUBLIC friend Date operator +( const Date& rDate, long nDays );
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TOOLS_DLLPUBLIC friend Date operator -( const Date& rDate, long nDays );
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TOOLS_DLLPUBLIC friend long operator -( const Date& rDate1, const Date& rDate2 );
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/** Obtain number of days in a month of a year.
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Internally sanitizes nMonth to values 1 <= nMonth <= 12, does not
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normalize values.
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*/
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static sal_uInt16 GetDaysInMonth( sal_uInt16 nMonth, sal_uInt16 nYear );
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/// Internally normalizes values.
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static long DateToDays( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear );
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/// Semantically identical to IsValidDate() member method.
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static bool IsValidDate( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear );
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/// Semantically identical to Normalize() member method.
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static bool Normalize( sal_uInt16 & rDay, sal_uInt16 & rMonth, sal_uInt16 & rYear );
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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