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1033 lines
23 KiB
1033 lines
23 KiB
14 years ago
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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program 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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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#include <float.h>
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#include "plUnifiedTime.h"
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#include "hsStlUtils.h"
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#include "hsWindows.h"
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#if HS_BUILD_FOR_UNIX
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#include <sys/time.h>
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#include <unistd.h>
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#endif
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#if HS_BUILD_FOR_WIN32
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#include <sys/timeb.h> // for timeb
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#endif
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#include "hsUtils.h"
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#include <time.h>
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#include "hsStream.h"
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#if HS_BUILD_FOR_WIN32
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//
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// Converts Windows Time to Unified Time
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//
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#define MAGICWINDOWSOFFSET ((__int64)11644473600) // magic number, taken from Python Source
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//
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hsBool plUnifiedTime::SetFromWinFileTime(const FILETIME ft)
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{
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// FILETIME resolution seems to be 0.01 sec
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__int64 ff,ffsecs;
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ff = *(__int64*)(&ft);
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ffsecs = ff/(__int64)10000000;
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if (ffsecs >= MAGICWINDOWSOFFSET) // make sure we won't end up negatice
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{
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fSecs = (UInt32)(ffsecs-MAGICWINDOWSOFFSET);
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fMicros = (UInt32)(ff % 10000000)/10;
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return true;
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}
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else
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// before the UNIX Epoch
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return false;
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}
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//
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// Sets the unified time to the current UTC time
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//
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hsBool plUnifiedTime::SetToUTC()
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{
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FILETIME ft;
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GetSystemTimeAsFileTime(&ft); /* 100 ns blocks since 01-Jan-1641 */
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return SetFromWinFileTime(ft);
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}
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#elif HS_BUILD_FOR_UNIX
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//
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// Sets the unified time to the current UTC time
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//
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hsBool plUnifiedTime::SetToUTC()
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{
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struct timeval tv;
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// get the secs and micros from Jan 1, 1970
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int ret = gettimeofday(&tv, nil);
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if (ret == 0)
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{
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fSecs = tv.tv_sec;
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fMicros = tv.tv_usec;
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return true;
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}
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else
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{
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return false;
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}
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}
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#else
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#error "Unified Time Not Implemented on this platform!"
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#endif
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struct tm * plUnifiedTime::IGetTime(const time_t * timer) const
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{
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struct tm * tm = nil;
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switch (fMode)
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{
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case kGmt:
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tm = gmtime(timer);
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break;
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default:
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tm = localtime(timer);
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}
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if ( tm )
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tm->tm_isdst = -1;
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return tm;
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}
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plUnifiedTime::plUnifiedTime(plUnifiedTime_CtorNow,int mode)
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{
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SetMode((Mode)mode);
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ToCurrentTime();
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}
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plUnifiedTime::plUnifiedTime(const timeval & tv)
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: fMode(kGmt)
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{
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*this = tv;
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}
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plUnifiedTime::plUnifiedTime(int mode, const struct tm & src)
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: fMode((Mode)mode)
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{
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*this = src;
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}
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plUnifiedTime::plUnifiedTime(time_t t)
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: fMode(kGmt)
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{
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*this = t;
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}
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plUnifiedTime::plUnifiedTime(unsigned long t)
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: fMode(kGmt)
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{
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*this = t;
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}
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plUnifiedTime::plUnifiedTime(int year, int month, int day, int hour, int min, int sec, unsigned long usec, int dst)
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: fMode(kGmt)
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{
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SetTime(year,month,day,hour,min,sec,usec,dst);
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}
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plUnifiedTime::plUnifiedTime(int mode, const char * buf, const char * fmt)
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: fMode((Mode)mode)
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{
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FromString(buf,fmt);
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}
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plUnifiedTime::plUnifiedTime(const plUnifiedTime & src)
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: fMode(src.fMode)
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{
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*this = src;
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}
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plUnifiedTime::plUnifiedTime(const plUnifiedTime * src)
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: fMode(src->fMode)
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{
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*this = *src;
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}
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plUnifiedTime plUnifiedTime::GetCurrentTime(Mode mode)
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{
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plUnifiedTime t;
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t.SetMode(mode);
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t.ToCurrentTime();
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return t;
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}
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const plUnifiedTime & plUnifiedTime::operator=(const plUnifiedTime & src)
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{
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fSecs = src.fSecs;
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fMicros = src.fMicros;
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fMode = src.fMode;
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return *this;
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}
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const plUnifiedTime & plUnifiedTime::operator=(const plUnifiedTime * src)
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{
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return operator=(*src);
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}
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const plUnifiedTime & plUnifiedTime::operator=(time_t src)
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{
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14 years ago
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fSecs = (UInt32)src;
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14 years ago
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fMicros = 0;
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return *this;
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}
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const plUnifiedTime & plUnifiedTime::operator=(unsigned long src)
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{
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fSecs = src;
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fMicros = 0;
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return *this;
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}
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const plUnifiedTime & plUnifiedTime::operator=(const struct timeval & src)
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{
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fSecs = src.tv_sec;
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fMicros = src.tv_usec;
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return *this;
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}
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const plUnifiedTime & plUnifiedTime::operator=(const struct tm & src)
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{
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struct tm atm = src;
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14 years ago
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fSecs = (UInt32)mktime(&atm); // this won't work after 2030 something, sorry
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14 years ago
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return *this;
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}
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void plUnifiedTime::SetSecsDouble(double secs)
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{
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hsAssert(secs>=0, "plUnifiedTime::SetSecsDouble negative time");
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double x,y;
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x = modf(secs,&y);
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fSecs = (UInt32)y;
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fMicros = (UInt32)(x*1000000);
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}
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void plUnifiedTime::FromMillis(UInt32 millis)
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{
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fSecs = millis/1000;
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fMicros = 0;
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}
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void plUnifiedTime::ToCurrentTime()
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{
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SetToUTC();
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}
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hsBool plUnifiedTime::SetGMTime(short year, short month, short day, short hour, short minute, short second, unsigned long usec, int dst)
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{
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if( !SetTime( year, month, day, hour, minute, second, usec, dst ) )
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return false;
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fSecs -= IGetLocalTimeZoneOffset();
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fMode = kGmt;
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return true;
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}
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hsBool plUnifiedTime::SetTime(short year, short month, short day, short hour, short minute, short second, unsigned long usec, int dst)
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{
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struct tm atm;
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atm.tm_sec = second;
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atm.tm_min = minute;
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atm.tm_hour = hour;
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atm.tm_mday = day;
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atm.tm_mon = month - 1;
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atm.tm_year = year - 1900;
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atm.tm_isdst = dst;
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|
14 years ago
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fSecs = (UInt32)mktime(&atm); // this won't work after 2030 something, sorry
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14 years ago
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if (fSecs == -1)
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return false;
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if (fMicros >= 1000000)
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return false;
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fMicros = usec;
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fMode = kLocal;
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return true;
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}
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hsBool plUnifiedTime::GetTime(short &year, short &month, short &day, short &hour, short &minute, short &second) const
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{
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struct tm* time = IGetTime((const time_t *)&fSecs);
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if (!time)
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return false;
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year = time->tm_year+1900;
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month = time->tm_mon+1;
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day = time->tm_mday;
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hour = time->tm_hour;
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minute = time->tm_min;
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second = time->tm_sec;
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return true;
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}
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const char* plUnifiedTime::Print() const
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{
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static std::string s;
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// short year, month, day, hour, minute, second;
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// GetTime(year, month, day, hour, minute, second);
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//
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// xtl::format(s,"yr %d mo %d day %d hour %d min %d sec %d",
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// year, month, day, hour, minute, second);
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||
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s = Format("%c");
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return s.c_str();
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}
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const char* plUnifiedTime::PrintWMillis() const
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{
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static std::string s;
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xtl::format(s,"%s,s:%d,ms:%d",
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Print(), GetSecs(), GetMillis() );
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return s.c_str();
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||
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}
|
||
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struct tm * plUnifiedTime::GetTm(struct tm * ptm) const
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{
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if (ptm != nil)
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{
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*ptm = *IGetTime((const time_t *)&fSecs);
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return ptm;
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||
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}
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||
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else
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||
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return IGetTime((const time_t *)&fSecs);
|
||
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}
|
||
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||
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int plUnifiedTime::GetYear() const
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||
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{
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||
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return GetTm() ? GetTm()->tm_year + 1900 : 0;
|
||
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}
|
||
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int plUnifiedTime::GetMonth() const
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||
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{
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||
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return GetTm() ? GetTm()->tm_mon + 1 : 0;
|
||
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}
|
||
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int plUnifiedTime::GetDay() const
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||
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{
|
||
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return GetTm() ? GetTm()->tm_mday : 0;
|
||
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}
|
||
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int plUnifiedTime::GetHour() const
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||
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{
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return GetTm() ? GetTm()->tm_hour : 0;
|
||
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}
|
||
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int plUnifiedTime::GetMinute() const
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||
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{
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||
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return GetTm() ? GetTm()->tm_min : 0;
|
||
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}
|
||
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int plUnifiedTime::GetSecond() const
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||
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{
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||
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return GetTm() ? GetTm()->tm_sec : 0;
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||
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}
|
||
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int plUnifiedTime::GetDayOfWeek() const
|
||
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{
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||
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return GetTm() ? GetTm()->tm_wday : 0;
|
||
|
|
}
|
||
|
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int plUnifiedTime::GetMillis() const
|
||
|
|
{
|
||
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|
return fMicros/1000;
|
||
|
|
}
|
||
|
|
|
||
|
|
#pragma optimize( "g", off ) // disable global optimizations
|
||
|
|
double plUnifiedTime::GetSecsDouble() const
|
||
|
|
{
|
||
|
|
hsDoublePrecBegin
|
||
|
|
double ret = GetSecs() + GetMicros() / 1000000.0;
|
||
|
|
hsDoublePrecEnd
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
#pragma optimize( "", on ) // restore optimizations to their defaults
|
||
|
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|
||
|
|
UInt32 plUnifiedTime::AsMillis()
|
||
|
|
{
|
||
|
|
return GetSecs()*1000;
|
||
|
|
}
|
||
|
|
|
||
|
|
void plUnifiedTime::Read(hsStream* s)
|
||
|
|
{
|
||
|
|
s->LogSubStreamStart("UnifiedTime");
|
||
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|
s->LogReadSwap(&fSecs,"Seconds");
|
||
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|
s->LogReadSwap(&fMicros,"MicroSeconds");
|
||
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|
s->LogSubStreamEnd();
|
||
|
|
// preserve fMode
|
||
|
|
}
|
||
|
|
|
||
|
|
void plUnifiedTime::Write(hsStream* s) const
|
||
|
|
{
|
||
|
|
s->WriteSwap(fSecs);
|
||
|
|
s->WriteSwap(fMicros);
|
||
|
|
// preserve fMode
|
||
|
|
}
|
||
|
|
|
||
|
|
const plUnifiedTime & plUnifiedTime::operator-=(const plUnifiedTime & rhs)
|
||
|
|
{
|
||
|
|
// carry if needed
|
||
|
|
if ((*this).fMicros < rhs.fMicros)
|
||
|
|
{
|
||
|
|
(*this).fSecs--;
|
||
|
|
(*this).fMicros += 1000000;
|
||
|
|
}
|
||
|
|
(*this).fMicros -= rhs.fMicros;
|
||
|
|
(*this).fSecs -= rhs.fSecs;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
const plUnifiedTime & plUnifiedTime::operator+=(const plUnifiedTime & rhs)
|
||
|
|
{
|
||
|
|
(*this).fMicros += rhs.fMicros;
|
||
|
|
// carry if needed
|
||
|
|
if ((*this).fMicros >= 1000000)
|
||
|
|
{
|
||
|
|
(*this).fSecs++;
|
||
|
|
(*this).fMicros -= 1000000;
|
||
|
|
}
|
||
|
|
(*this).fSecs += rhs.fSecs;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool plUnifiedTime::operator==(const plUnifiedTime & rhs) const
|
||
|
|
{
|
||
|
|
return ((fSecs == rhs.fSecs) && (fMicros == rhs.fMicros));
|
||
|
|
}
|
||
|
|
bool plUnifiedTime::operator!=(const plUnifiedTime & rhs) const
|
||
|
|
{
|
||
|
|
return ((fSecs != rhs.fSecs) || (fMicros != rhs.fMicros));
|
||
|
|
}
|
||
|
|
bool plUnifiedTime::operator <(const plUnifiedTime & rhs) const
|
||
|
|
{
|
||
|
|
return ((fSecs < rhs.fSecs) || ((fSecs == rhs.fSecs) && (fMicros < rhs.fMicros)));
|
||
|
|
}
|
||
|
|
bool plUnifiedTime::operator >(const plUnifiedTime & rhs) const
|
||
|
|
{
|
||
|
|
return ((fSecs > rhs.fSecs) || ((fSecs == rhs.fSecs) && (fMicros > rhs.fMicros)));
|
||
|
|
}
|
||
|
|
bool plUnifiedTime::operator<=(const plUnifiedTime & rhs) const
|
||
|
|
{
|
||
|
|
return (*this<rhs) || (*this==rhs);
|
||
|
|
}
|
||
|
|
bool plUnifiedTime::operator>=(const plUnifiedTime & rhs) const
|
||
|
|
{
|
||
|
|
return (*this>rhs) || (*this==rhs);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
plUnifiedTime::operator timeval() const
|
||
|
|
{
|
||
|
|
struct timeval t = {fSecs, fMicros};
|
||
|
|
return t;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
plUnifiedTime::operator struct tm() const
|
||
|
|
{
|
||
|
|
return *GetTm();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
std::string plUnifiedTime::Format(const char * fmt) const
|
||
|
|
{
|
||
|
|
char buf[128];
|
||
|
|
struct tm * t = IGetTime((const time_t *)&fSecs);
|
||
|
|
if (t == nil ||
|
||
|
|
!strftime(buf, sizeof(buf), fmt, t))
|
||
|
|
buf[0] = '\0';
|
||
|
|
return std::string(buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
plUnifiedTime operator -(const plUnifiedTime & left, const plUnifiedTime & right)
|
||
|
|
{
|
||
|
|
plUnifiedTime ans = left;
|
||
|
|
ans -= right;
|
||
|
|
return ans;
|
||
|
|
}
|
||
|
|
|
||
|
|
plUnifiedTime operator +(const plUnifiedTime & left, const plUnifiedTime & right)
|
||
|
|
{
|
||
|
|
plUnifiedTime ans = left;
|
||
|
|
ans += right;
|
||
|
|
return ans;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool operator <(const plUnifiedTime & time, int secs)
|
||
|
|
{
|
||
|
|
return (time.GetSecs()<secs);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////
|
||
|
|
// FromString
|
||
|
|
|
||
|
|
#if !defined(HS_BUILD_FOR_UNIX)
|
||
|
|
|
||
|
|
namespace pvt_strptime
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// based on glibc's strptime
|
||
|
|
//
|
||
|
|
|
||
|
|
#define __isleap(year) \
|
||
|
|
((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
|
||
|
|
|
||
|
|
#define match_char(ch1, ch2) if (ch1 != ch2) return NULL
|
||
|
|
#define match_string(cs1, s2) \
|
||
|
|
(_strnicmp((cs1), (s2), strlen (cs1)) ? 0 : ((s2) += strlen (cs1), 1))
|
||
|
|
#define get_number(from, to, n) \
|
||
|
|
do { \
|
||
|
|
int __n = n; \
|
||
|
|
val = 0; \
|
||
|
|
while (*rp == ' ') \
|
||
|
|
++rp; \
|
||
|
|
if (*rp < '0' || *rp > '9') \
|
||
|
|
return NULL; \
|
||
|
|
do { \
|
||
|
|
val *= 10; \
|
||
|
|
val += *rp++ - '0'; \
|
||
|
|
} while (--__n > 0 && val * 10 <= to && *rp >= '0' && *rp <= '9'); \
|
||
|
|
if (val < from || val > to) \
|
||
|
|
return NULL; \
|
||
|
|
} while (0)
|
||
|
|
#define recursive(new_fmt) \
|
||
|
|
(*(new_fmt) != '\0' \
|
||
|
|
&& (rp = strptime_internal (rp, (new_fmt), tm, mode)) != NULL)
|
||
|
|
|
||
|
|
static char const weekday_name[][10] =
|
||
|
|
{
|
||
|
|
"Sunday", "Monday", "Tuesday", "Wednesday",
|
||
|
|
"Thursday", "Friday", "Saturday"
|
||
|
|
};
|
||
|
|
static char const ab_weekday_name[][4] =
|
||
|
|
{
|
||
|
|
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
|
||
|
|
};
|
||
|
|
static char const month_name[][10] =
|
||
|
|
{
|
||
|
|
"January", "February", "March", "April", "May", "June",
|
||
|
|
"July", "August", "September", "October", "November", "December"
|
||
|
|
};
|
||
|
|
static char const ab_month_name[][4] =
|
||
|
|
{
|
||
|
|
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
|
||
|
|
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
|
||
|
|
};
|
||
|
|
#define HERE_D_T_FMT "%m/%d/%y %H:%M:%S"
|
||
|
|
#define HERE_D_FMT "%m/%d/%y"
|
||
|
|
#define HERE_AM_STR "AM"
|
||
|
|
#define HERE_PM_STR "PM"
|
||
|
|
#define HERE_T_FMT_AMPM "%I:%M:%S %p"
|
||
|
|
#define HERE_T_FMT "%H:%M:%S"
|
||
|
|
|
||
|
|
const unsigned short int __mon_yday[2][13] =
|
||
|
|
{
|
||
|
|
/* Normal years. */
|
||
|
|
{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
|
||
|
|
/* Leap years. */
|
||
|
|
{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
static struct tm *
|
||
|
|
time_r(
|
||
|
|
const time_t *t,
|
||
|
|
struct tm *tp,
|
||
|
|
int mode)
|
||
|
|
{
|
||
|
|
struct tm *l = 0;
|
||
|
|
switch (mode)
|
||
|
|
{
|
||
|
|
case plUnifiedTime::kGmt:
|
||
|
|
l = gmtime(t);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
l = localtime(t);
|
||
|
|
}
|
||
|
|
if (! l)
|
||
|
|
return 0;
|
||
|
|
*tp = *l;
|
||
|
|
tp->tm_isdst = -1;
|
||
|
|
return tp;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Compute the day of the week. */
|
||
|
|
static void
|
||
|
|
day_of_the_week (struct tm *tm)
|
||
|
|
{
|
||
|
|
/* We know that January 1st 1970 was a Thursday (= 4). Compute the
|
||
|
|
the difference between this data in the one on TM and so determine
|
||
|
|
the weekday. */
|
||
|
|
int corr_year = 1900 + tm->tm_year - (tm->tm_mon < 2);
|
||
|
|
int wday = (-473
|
||
|
|
+ (365 * (tm->tm_year - 70))
|
||
|
|
+ (corr_year / 4)
|
||
|
|
- ((corr_year / 4) / 25) + ((corr_year / 4) % 25 < 0)
|
||
|
|
+ (((corr_year / 4) / 25) / 4)
|
||
|
|
+ __mon_yday[0][tm->tm_mon]
|
||
|
|
+ tm->tm_mday - 1);
|
||
|
|
tm->tm_wday = ((wday % 7) + 7) % 7;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Compute the day of the year. */
|
||
|
|
static void
|
||
|
|
day_of_the_year (struct tm *tm)
|
||
|
|
{
|
||
|
|
tm->tm_yday = (__mon_yday[__isleap (1900 + tm->tm_year)][tm->tm_mon]
|
||
|
|
+ (tm->tm_mday - 1));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
static char * strptime_internal(
|
||
|
|
const char * rp,
|
||
|
|
const char * fmt,
|
||
|
|
struct tm * tm,
|
||
|
|
int mode)
|
||
|
|
{
|
||
|
|
const char *rp_backup;
|
||
|
|
int cnt;
|
||
|
|
size_t val;
|
||
|
|
int have_I, is_pm;
|
||
|
|
int century, want_century;
|
||
|
|
int have_wday, want_xday;
|
||
|
|
int have_yday;
|
||
|
|
int have_mon, have_mday;
|
||
|
|
|
||
|
|
have_I = is_pm = 0;
|
||
|
|
century = -1;
|
||
|
|
want_century = 0;
|
||
|
|
|
||
|
|
have_wday = want_xday = have_yday = have_mon = have_mday = 0;
|
||
|
|
|
||
|
|
while (*fmt != '\0')
|
||
|
|
{
|
||
|
|
/* A white space in the format string matches 0 more or white
|
||
|
|
space in the input string. */
|
||
|
|
if (isspace (*fmt))
|
||
|
|
{
|
||
|
|
while (isspace (*rp))
|
||
|
|
++rp;
|
||
|
|
++fmt;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Any character but `%' must be matched by the same character
|
||
|
|
in the iput string. */
|
||
|
|
if (*fmt != '%')
|
||
|
|
{
|
||
|
|
match_char (*fmt++, *rp++);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
++fmt;
|
||
|
|
/* We need this for handling the `E' modifier. */
|
||
|
|
start_over:
|
||
|
|
|
||
|
|
/* Make back up of current processing pointer. */
|
||
|
|
rp_backup = rp;
|
||
|
|
|
||
|
|
switch (*fmt++)
|
||
|
|
{
|
||
|
|
case '%':
|
||
|
|
/* Match the `%' character itself. */
|
||
|
|
match_char ('%', *rp++);
|
||
|
|
break;
|
||
|
|
case 'a':
|
||
|
|
case 'A':
|
||
|
|
/* Match day of week. */
|
||
|
|
for (cnt = 0; cnt < 7; ++cnt)
|
||
|
|
{
|
||
|
|
if (match_string (weekday_name[cnt], rp)
|
||
|
|
|| match_string (ab_weekday_name[cnt], rp))
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (cnt == 7)
|
||
|
|
/* Does not match a weekday name. */
|
||
|
|
return NULL;
|
||
|
|
tm->tm_wday = cnt;
|
||
|
|
have_wday = 1;
|
||
|
|
break;
|
||
|
|
case 'b':
|
||
|
|
case 'B':
|
||
|
|
case 'h':
|
||
|
|
/* Match month name. */
|
||
|
|
for (cnt = 0; cnt < 12; ++cnt)
|
||
|
|
{
|
||
|
|
if (match_string (month_name[cnt], rp)
|
||
|
|
|| match_string (ab_month_name[cnt], rp))
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (cnt == 12)
|
||
|
|
/* Does not match a month name. */
|
||
|
|
return NULL;
|
||
|
|
tm->tm_mon = cnt;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'c':
|
||
|
|
/* Match locale's date and time format. */
|
||
|
|
if (!recursive (HERE_D_T_FMT))
|
||
|
|
return NULL;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'C':
|
||
|
|
/* Match century number. */
|
||
|
|
get_number (0, 99, 2);
|
||
|
|
century = val;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'd':
|
||
|
|
case 'e':
|
||
|
|
/* Match day of month. */
|
||
|
|
get_number (1, 31, 2);
|
||
|
|
tm->tm_mday = val;
|
||
|
|
have_mday = 1;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'F':
|
||
|
|
if (!recursive ("%Y-%m-%d"))
|
||
|
|
return NULL;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'x':
|
||
|
|
/* Fall through. */
|
||
|
|
case 'D':
|
||
|
|
/* Match standard day format. */
|
||
|
|
if (!recursive (HERE_D_FMT))
|
||
|
|
return NULL;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'k':
|
||
|
|
case 'H':
|
||
|
|
/* Match hour in 24-hour clock. */
|
||
|
|
get_number (0, 23, 2);
|
||
|
|
tm->tm_hour = val;
|
||
|
|
have_I = 0;
|
||
|
|
break;
|
||
|
|
case 'I':
|
||
|
|
/* Match hour in 12-hour clock. */
|
||
|
|
get_number (1, 12, 2);
|
||
|
|
tm->tm_hour = val % 12;
|
||
|
|
have_I = 1;
|
||
|
|
break;
|
||
|
|
case 'j':
|
||
|
|
/* Match day number of year. */
|
||
|
|
get_number (1, 366, 3);
|
||
|
|
tm->tm_yday = val - 1;
|
||
|
|
have_yday = 1;
|
||
|
|
break;
|
||
|
|
case 'm':
|
||
|
|
/* Match number of month. */
|
||
|
|
get_number (1, 12, 2);
|
||
|
|
tm->tm_mon = val - 1;
|
||
|
|
have_mon = 1;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'M':
|
||
|
|
/* Match minute. */
|
||
|
|
get_number (0, 59, 2);
|
||
|
|
tm->tm_min = val;
|
||
|
|
break;
|
||
|
|
case 'n':
|
||
|
|
case 't':
|
||
|
|
/* Match any white space. */
|
||
|
|
while (isspace (*rp))
|
||
|
|
++rp;
|
||
|
|
break;
|
||
|
|
case 'p':
|
||
|
|
/* Match locale's equivalent of AM/PM. */
|
||
|
|
if (!match_string (HERE_AM_STR, rp))
|
||
|
|
if (match_string (HERE_PM_STR, rp))
|
||
|
|
is_pm = 1;
|
||
|
|
else
|
||
|
|
return NULL;
|
||
|
|
break;
|
||
|
|
case 'r':
|
||
|
|
if (!recursive (HERE_T_FMT_AMPM))
|
||
|
|
return NULL;
|
||
|
|
break;
|
||
|
|
case 'R':
|
||
|
|
if (!recursive ("%H:%M"))
|
||
|
|
return NULL;
|
||
|
|
break;
|
||
|
|
case 's':
|
||
|
|
{
|
||
|
|
/* The number of seconds may be very high so we cannot use
|
||
|
|
the `get_number' macro. Instead read the number
|
||
|
|
character for character and construct the result while
|
||
|
|
doing this. */
|
||
|
|
time_t secs = 0;
|
||
|
|
if (*rp < '0' || *rp > '9')
|
||
|
|
/* We need at least one digit. */
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
secs *= 10;
|
||
|
|
secs += *rp++ - '0';
|
||
|
|
}
|
||
|
|
while (*rp >= '0' && *rp <= '9');
|
||
|
|
|
||
|
|
if (time_r (&secs, tm, mode) == NULL)
|
||
|
|
/* Error in function. */
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'S':
|
||
|
|
get_number (0, 61, 2);
|
||
|
|
tm->tm_sec = val;
|
||
|
|
break;
|
||
|
|
case 'X':
|
||
|
|
/* Fall through. */
|
||
|
|
case 'T':
|
||
|
|
if (!recursive (HERE_T_FMT))
|
||
|
|
return NULL;
|
||
|
|
break;
|
||
|
|
case 'u':
|
||
|
|
get_number (1, 7, 1);
|
||
|
|
tm->tm_wday = val % 7;
|
||
|
|
have_wday = 1;
|
||
|
|
break;
|
||
|
|
case 'g':
|
||
|
|
get_number (0, 99, 2);
|
||
|
|
/* XXX This cannot determine any field in TM. */
|
||
|
|
break;
|
||
|
|
case 'G':
|
||
|
|
if (*rp < '0' || *rp > '9')
|
||
|
|
return NULL;
|
||
|
|
/* XXX Ignore the number since we would need some more
|
||
|
|
information to compute a real date. */
|
||
|
|
do
|
||
|
|
++rp;
|
||
|
|
while (*rp >= '0' && *rp <= '9');
|
||
|
|
break;
|
||
|
|
case 'U':
|
||
|
|
case 'V':
|
||
|
|
case 'W':
|
||
|
|
get_number (0, 53, 2);
|
||
|
|
/* XXX This cannot determine any field in TM without some
|
||
|
|
information. */
|
||
|
|
break;
|
||
|
|
case 'w':
|
||
|
|
/* Match number of weekday. */
|
||
|
|
get_number (0, 6, 1);
|
||
|
|
tm->tm_wday = val;
|
||
|
|
have_wday = 1;
|
||
|
|
break;
|
||
|
|
case 'y':
|
||
|
|
/* Match year within century. */
|
||
|
|
get_number (0, 99, 2);
|
||
|
|
/* The "Year 2000: The Millennium Rollover" paper suggests that
|
||
|
|
values in the range 69-99 refer to the twentieth century. */
|
||
|
|
tm->tm_year = val >= 69 ? val : val + 100;
|
||
|
|
/* Indicate that we want to use the century, if specified. */
|
||
|
|
want_century = 1;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'Y':
|
||
|
|
/* Match year including century number. */
|
||
|
|
get_number (0, 9999, 4);
|
||
|
|
tm->tm_year = val - 1900;
|
||
|
|
want_century = 0;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
|
||
|
|
goto start_over;
|
||
|
|
|
||
|
|
case 'O':
|
||
|
|
switch (*fmt++)
|
||
|
|
{
|
||
|
|
case 'd':
|
||
|
|
case 'e':
|
||
|
|
/* Match day of month using alternate numeric symbols. */
|
||
|
|
get_number (1, 31, 2);
|
||
|
|
tm->tm_mday = val;
|
||
|
|
have_mday = 1;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'H':
|
||
|
|
/* Match hour in 24-hour clock using alternate numeric
|
||
|
|
symbols. */
|
||
|
|
get_number (0, 23, 2);
|
||
|
|
tm->tm_hour = val;
|
||
|
|
have_I = 0;
|
||
|
|
break;
|
||
|
|
case 'I':
|
||
|
|
/* Match hour in 12-hour clock using alternate numeric
|
||
|
|
symbols. */
|
||
|
|
get_number (1, 12, 2);
|
||
|
|
tm->tm_hour = val - 1;
|
||
|
|
have_I = 1;
|
||
|
|
break;
|
||
|
|
case 'm':
|
||
|
|
/* Match month using alternate numeric symbols. */
|
||
|
|
get_number (1, 12, 2);
|
||
|
|
tm->tm_mon = val - 1;
|
||
|
|
have_mon = 1;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
case 'M':
|
||
|
|
/* Match minutes using alternate numeric symbols. */
|
||
|
|
get_number (0, 59, 2);
|
||
|
|
tm->tm_min = val;
|
||
|
|
break;
|
||
|
|
case 'S':
|
||
|
|
/* Match seconds using alternate numeric symbols. */
|
||
|
|
get_number (0, 61, 2);
|
||
|
|
tm->tm_sec = val;
|
||
|
|
break;
|
||
|
|
case 'U':
|
||
|
|
case 'V':
|
||
|
|
case 'W':
|
||
|
|
get_number (0, 53, 2);
|
||
|
|
/* XXX This cannot determine any field in TM without
|
||
|
|
further information. */
|
||
|
|
break;
|
||
|
|
case 'w':
|
||
|
|
/* Match number of weekday using alternate numeric symbols. */
|
||
|
|
get_number (0, 6, 1);
|
||
|
|
tm->tm_wday = val;
|
||
|
|
have_wday = 1;
|
||
|
|
break;
|
||
|
|
case 'y':
|
||
|
|
/* Match year within century using alternate numeric symbols. */
|
||
|
|
get_number (0, 99, 2);
|
||
|
|
tm->tm_year = val >= 69 ? val : val + 100;
|
||
|
|
want_xday = 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (have_I && is_pm)
|
||
|
|
tm->tm_hour += 12;
|
||
|
|
|
||
|
|
if (century != -1)
|
||
|
|
{
|
||
|
|
if (want_century)
|
||
|
|
tm->tm_year = tm->tm_year % 100 + (century - 19) * 100;
|
||
|
|
else
|
||
|
|
/* Only the century, but not the year. Strange, but so be it. */
|
||
|
|
tm->tm_year = (century - 19) * 100;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (want_xday && !have_wday)
|
||
|
|
{
|
||
|
|
if ( !(have_mon && have_mday) && have_yday)
|
||
|
|
{
|
||
|
|
/* We don't have tm_mon and/or tm_mday, compute them. */
|
||
|
|
int t_mon = 0;
|
||
|
|
while (__mon_yday[__isleap(1900 + tm->tm_year)][t_mon] <= tm->tm_yday)
|
||
|
|
t_mon++;
|
||
|
|
if (!have_mon)
|
||
|
|
tm->tm_mon = t_mon - 1;
|
||
|
|
if (!have_mday)
|
||
|
|
tm->tm_mday =
|
||
|
|
(tm->tm_yday
|
||
|
|
- __mon_yday[__isleap(1900 + tm->tm_year)][t_mon - 1] + 1);
|
||
|
|
}
|
||
|
|
day_of_the_week (tm);
|
||
|
|
}
|
||
|
|
if (want_xday && !have_yday)
|
||
|
|
day_of_the_year (tm);
|
||
|
|
|
||
|
|
return (char *) rp;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace pvt_strptime
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
bool plUnifiedTime::FromString(const char * buf, const char * fmt)
|
||
|
|
{
|
||
|
|
struct tm tm;
|
||
|
|
tm.tm_isdst = -1;
|
||
|
|
#if !defined(HS_BUILD_FOR_UNIX)
|
||
|
|
bool result = (pvt_strptime::strptime_internal(buf, fmt, &tm, fMode)!=nil);
|
||
|
|
#else
|
||
|
|
bool result = (strptime(buf, fmt, &tm)!=nil);
|
||
|
|
#endif
|
||
|
|
if (result)
|
||
|
|
*this = tm;
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Local time zone offset stuff
|
||
|
|
|
||
|
|
Int32 plUnifiedTime::fLocalTimeZoneOffset = -1;
|
||
|
|
|
||
|
|
Int32 plUnifiedTime::IGetLocalTimeZoneOffset( void )
|
||
|
|
{
|
||
|
|
static bool inited = false;
|
||
|
|
|
||
|
|
if( !inited )
|
||
|
|
{
|
||
|
|
inited = true;
|
||
|
|
|
||
|
|
// Calculate the difference between local time and GMT for this system currently
|
||
|
|
// Taken from devx.com from an article written by Danny Kalev
|
||
|
|
// http://gethelp.devx.com/techtips/cpp_pro/10min/2001/10min1200-3.asp
|
||
|
|
|
||
|
|
time_t currLocalTime = time( 0 ); // current local time
|
||
|
|
|
||
|
|
struct tm local = *gmtime( &currLocalTime ); // convert curr to GMT, store as tm
|
||
|
|
|
||
|
|
time_t utc = mktime( &local ); // convert GMT tm to GMT time_t
|
||
|
|
|
||
|
|
double diffInSecs = difftime( utc, currLocalTime );
|
||
|
|
|
||
|
|
fLocalTimeZoneOffset = (Int32)diffInSecs;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fLocalTimeZoneOffset;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// static helper, return difference timeA-timeB, may be negative
|
||
|
|
//
|
||
|
|
double plUnifiedTime::GetTimeDifference(const plUnifiedTime& timeA, const plUnifiedTime& timeB)
|
||
|
|
{
|
||
|
|
bool neg = (timeB > timeA);
|
||
|
|
plUnifiedTime timeDiff = neg ? (timeB - timeA) : (timeA - timeB); // always positive
|
||
|
|
double t = (float)(neg ? timeDiff.GetSecsDouble() * -1. : timeDiff.GetSecsDouble());
|
||
|
|
return t;
|
||
|
|
}
|