47cd34a60f
excluding the UDK headers of course Change-Id: Iac7ab83d60265f7d362c860776f1de9d5e444ec0 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93268 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
177 lines
7.7 KiB
C++
177 lines
7.7 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 INCLUDED_TOOLS_TIME_HXX
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#define INCLUDED_TOOLS_TIME_HXX
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#include <tools/toolsdllapi.h>
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#include <com/sun/star/util/Time.hpp>
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namespace com::sun::star::util { struct DateTime; }
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/**
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@WARNING: This class can serve both as wall clock time and time duration, and
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the mixing of these concepts leads to problems such as there being
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25 hours or 10 minus 20 seconds being (non-negative) 10 seconds.
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*/
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namespace tools {
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class SAL_WARN_UNUSED TOOLS_DLLPUBLIC Time
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{
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private:
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sal_Int64 nTime;
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void init( sal_uInt32 nHour, sal_uInt32 nMin,
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sal_uInt32 nSec, sal_uInt64 nNanoSec);
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public:
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enum TimeInitSystem
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{
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SYSTEM
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};
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// temporary until all uses are inspected and resolved
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enum TimeInitEmpty
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{
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EMPTY
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};
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static const sal_Int64 hourPerDay = 24;
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static const sal_Int64 minutePerHour = 60;
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static const sal_Int64 secondPerMinute = 60;
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static const sal_Int64 nanoSecPerSec = 1000000000;
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static const sal_Int64 nanoSecPerMinute = nanoSecPerSec * secondPerMinute;
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static const sal_Int64 nanoSecPerHour = nanoSecPerSec * secondPerMinute * minutePerHour;
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static const sal_Int64 nanoSecPerDay = nanoSecPerSec * secondPerMinute * minutePerHour * hourPerDay;
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static const sal_Int64 secondPerHour = secondPerMinute * minutePerHour;
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static const sal_Int64 secondPerDay = secondPerMinute * minutePerHour * hourPerDay;
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static const sal_Int64 minutePerDay = minutePerHour * hourPerDay;
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static const sal_Int64 nanoPerMicro = 1000;
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static const sal_Int64 nanoPerMilli = 1000000;
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static const sal_Int64 nanoPerCenti = 10000000;
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explicit Time( TimeInitEmpty )
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{ nTime = 0; }
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explicit Time( TimeInitSystem );
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explicit Time( sal_Int64 _nTime ) { Time::nTime = _nTime; }
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Time( const tools::Time& rTime );
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Time( const css::util::Time& rTime );
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explicit Time( const css::util::DateTime& rDateTime );
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Time( sal_uInt32 nHour, sal_uInt32 nMin,
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sal_uInt32 nSec = 0, sal_uInt64 nNanoSec = 0 );
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void SetTime( sal_Int64 nNewTime ) { nTime = nNewTime; }
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sal_Int64 GetTime() const { return nTime; }
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css::util::Time GetUNOTime() const { return css::util::Time(GetNanoSec(),GetSec(),GetMin(),GetHour(),false); }
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void SetHour( sal_uInt16 nNewHour );
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void SetMin( sal_uInt16 nNewMin );
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void SetSec( sal_uInt16 nNewSec );
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void SetNanoSec( sal_uInt32 nNewNanoSec );
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sal_uInt16 GetHour() const
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{ sal_uInt64 nTempTime = (nTime >= 0) ? nTime : -nTime;
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return static_cast<sal_uInt16>(nTempTime / SAL_CONST_UINT64(10000000000000)); }
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sal_uInt16 GetMin() const
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{ sal_uInt64 nTempTime = (nTime >= 0) ? nTime : -nTime;
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return static_cast<sal_uInt16>((nTempTime / SAL_CONST_UINT64(100000000000)) % 100); }
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sal_uInt16 GetSec() const
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{ sal_uInt64 nTempTime = (nTime >= 0) ? nTime : -nTime;
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return static_cast<sal_uInt16>((nTempTime / SAL_CONST_UINT64(1000000000)) % 100); }
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sal_uInt32 GetNanoSec() const
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{ sal_uInt64 nTempTime = (nTime >= 0) ? nTime : -nTime;
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return static_cast<sal_uInt32>( nTempTime % SAL_CONST_UINT64(1000000000)); }
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// TODO: consider removing GetMSFromTime and MakeTimeFromMS?
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sal_Int32 GetMSFromTime() const;
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void MakeTimeFromMS( sal_Int32 nMS );
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sal_Int64 GetNSFromTime() const;
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void MakeTimeFromNS( sal_Int64 nNS );
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/// 12 hours == 0.5 days
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double GetTimeInDays() const;
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/** Get the wall clock time particles for a (date+)time value.
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Does the necessary rounding and truncating to obtain hour, minute,
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second and fraction of second from a double time value (time in days,
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0.5 == 12h) such that individual values are not rounded up, i.e.
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x:59:59.999 does not yield x+1:0:0.00
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A potential date component (fTimeInDays >= 1.0) is discarded.
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@param nFractionDecimals
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If > 0 fFractionOfSecond is truncated to that amount of
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decimals.
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Else fFractionOfSecond returns the full remainder of the
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fractional second.
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*/
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static void GetClock( double fTimeInDays,
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sal_uInt16& nHour, sal_uInt16& nMinute, sal_uInt16& nSecond,
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double& fFractionOfSecond, int nFractionDecimals );
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bool IsEqualIgnoreNanoSec( const tools::Time& rTime ) const;
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bool operator ==( const tools::Time& rTime ) const
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{ return (nTime == rTime.nTime); }
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bool operator !=( const tools::Time& rTime ) const
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{ return (nTime != rTime.nTime); }
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bool operator >( const tools::Time& rTime ) const
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{ return (nTime > rTime.nTime); }
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bool operator <( const tools::Time& rTime ) const
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{ return (nTime < rTime.nTime); }
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bool operator >=( const tools::Time& rTime ) const
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{ return (nTime >= rTime.nTime); }
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bool operator <=( const tools::Time& rTime ) const
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{ return (nTime <= rTime.nTime); }
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static Time GetUTCOffset();
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/**
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* Elapsed time in milliseconds (1e-3) since some unspecified starting point
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*
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* Convenience function, which just calls GetMonotonicTicks() / 1000.
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*/
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static sal_uInt64 GetSystemTicks();
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/**
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* Elapsed time in microseconds (1e-6) since some unspecified starting point
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*
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* Uses the high-precision, monotonic time sources provided by the OS, if
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* available. Don't try to relate it to the system time, and also it's long
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* time accuracy is not the best.
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*
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* Currently used to measure the runtime of OpenCL shaders and to set a
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* message creation timestamp to allow filtering of invalid timer messages.
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*
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* @return current system ticks in microseconds (1e-6s)
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*/
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static sal_uInt64 GetMonotonicTicks();
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tools::Time& operator =( const tools::Time& rTime );
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Time operator -() const
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{ return Time( -nTime ); }
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tools::Time& operator +=( const tools::Time& rTime );
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tools::Time& operator -=( const tools::Time& rTime );
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TOOLS_DLLPUBLIC friend Time operator +( const tools::Time& rTime1, const tools::Time& rTime2 );
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TOOLS_DLLPUBLIC friend Time operator -( const tools::Time& rTime1, const tools::Time& rTime2 );
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};
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} /* namespace tools */
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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