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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #if defined( WNT )
21 : #include <windows.h>
22 : #elif defined UNX
23 : #include <unistd.h>
24 : #include <limits.h>
25 : #include <math.h>
26 : #include <sys/time.h>
27 : #endif
28 :
29 : #include <time.h>
30 : #include <tools/time.hxx>
31 :
32 : #if defined(SOLARIS) && defined(__GNUC__)
33 : extern long altzone;
34 : #endif
35 :
36 202 : static sal_Int32 TimeToSec100( const Time& rTime )
37 : {
38 202 : short nSign = (rTime.GetTime() >= 0) ? +1 : -1;
39 202 : sal_Int32 nHour = rTime.GetHour();
40 202 : sal_Int32 nMin = rTime.GetMin();
41 202 : sal_Int32 nSec = rTime.GetSec();
42 202 : sal_Int32 n100Sec = rTime.Get100Sec();
43 :
44 : // Due to interal compiler error in MSC a little bit more complicated:
45 : // return (n100Sec + (nSec*100) + (nMin*60*100) + (nHour*60*60*100) * nSign);
46 :
47 202 : sal_Int32 nRet = n100Sec;
48 202 : nRet += nSec*100;
49 202 : nRet += nMin*60*100;
50 202 : nRet += nHour*60*60*100;
51 :
52 202 : return (nRet * nSign);
53 : }
54 :
55 101 : static Time Sec100ToTime( sal_Int32 nSec100 )
56 : {
57 : short nSign;
58 101 : if ( nSec100 < 0 )
59 : {
60 0 : nSec100 *= -1;
61 0 : nSign = -1;
62 : }
63 : else
64 101 : nSign = 1;
65 :
66 101 : Time aTime( 0, 0, 0, nSec100 );
67 101 : aTime.SetTime( aTime.GetTime() * nSign );
68 101 : return aTime;
69 : }
70 :
71 2219 : Time::Time( TimeInitSystem )
72 : {
73 : #if defined( WNT )
74 : SYSTEMTIME aDateTime;
75 : GetLocalTime( &aDateTime );
76 :
77 : // construct time
78 : nTime = (((sal_Int32)aDateTime.wHour)*1000000) +
79 : (((sal_Int32)aDateTime.wMinute)*10000) +
80 : (((sal_Int32)aDateTime.wSecond)*100) +
81 : ((sal_Int32)aDateTime.wMilliseconds/10);
82 : #else
83 : time_t nTmpTime;
84 : struct tm aTime;
85 :
86 : // determine time
87 2219 : nTmpTime = time( 0 );
88 :
89 : // construct time
90 2219 : if ( localtime_r( &nTmpTime, &aTime ) )
91 : {
92 : nTime = (((sal_Int32)aTime.tm_hour)*1000000) +
93 : (((sal_Int32)aTime.tm_min)*10000) +
94 2219 : (((sal_Int32)aTime.tm_sec)*100);
95 : }
96 : else
97 0 : nTime = 0;
98 : #endif
99 2219 : }
100 :
101 1793 : Time::Time( const Time& rTime )
102 : {
103 1793 : nTime = rTime.nTime;
104 1793 : }
105 :
106 14345 : Time::Time( sal_uIntPtr nHour, sal_uIntPtr nMin, sal_uIntPtr nSec, sal_uIntPtr n100Sec )
107 : {
108 : // normalize time
109 14345 : nSec += n100Sec / 100;
110 14345 : n100Sec = n100Sec % 100;
111 14345 : nMin += nSec / 60;
112 14345 : nSec = nSec % 60;
113 14345 : nHour += nMin / 60;
114 14345 : nMin = nMin % 60;
115 :
116 : // construct time
117 14345 : nTime = (sal_Int32)(n100Sec + (nSec*100) + (nMin*10000) + (nHour*1000000));
118 14345 : }
119 :
120 109 : void Time::SetHour( sal_uInt16 nNewHour )
121 : {
122 109 : short nSign = (nTime >= 0) ? +1 : -1;
123 109 : sal_Int32 nMin = GetMin();
124 109 : sal_Int32 nSec = GetSec();
125 109 : sal_Int32 n100Sec = Get100Sec();
126 :
127 : nTime = (n100Sec + (nSec*100) + (nMin*10000) +
128 109 : (((sal_Int32)nNewHour)*1000000)) * nSign;
129 109 : }
130 :
131 8 : void Time::SetMin( sal_uInt16 nNewMin )
132 : {
133 8 : short nSign = (nTime >= 0) ? +1 : -1;
134 8 : sal_Int32 nHour = GetHour();
135 8 : sal_Int32 nSec = GetSec();
136 8 : sal_Int32 n100Sec = Get100Sec();
137 :
138 : // no overflow
139 8 : nNewMin = nNewMin % 60;
140 :
141 : nTime = (n100Sec + (nSec*100) + (((sal_Int32)nNewMin)*10000) +
142 8 : (nHour*1000000)) * nSign;
143 8 : }
144 :
145 827 : void Time::SetSec( sal_uInt16 nNewSec )
146 : {
147 827 : short nSign = (nTime >= 0) ? +1 : -1;
148 827 : sal_Int32 nHour = GetHour();
149 827 : sal_Int32 nMin = GetMin();
150 827 : sal_Int32 n100Sec = Get100Sec();
151 :
152 : // no overflow
153 827 : nNewSec = nNewSec % 60;
154 :
155 : nTime = (n100Sec + (((sal_Int32)nNewSec)*100) + (nMin*10000) +
156 827 : (nHour*1000000)) * nSign;
157 827 : }
158 :
159 819 : void Time::Set100Sec( sal_uInt16 nNew100Sec )
160 : {
161 819 : short nSign = (nTime >= 0) ? +1 : -1;
162 819 : sal_Int32 nHour = GetHour();
163 819 : sal_Int32 nMin = GetMin();
164 819 : sal_Int32 nSec = GetSec();
165 :
166 : // no overflow
167 819 : nNew100Sec = nNew100Sec % 100;
168 :
169 : nTime = (((sal_Int32)nNew100Sec) + (nSec*100) + (nMin*10000) +
170 819 : (nHour*1000000)) * nSign;
171 819 : }
172 :
173 716 : sal_Int32 Time::GetMSFromTime() const
174 : {
175 716 : short nSign = (nTime >= 0) ? +1 : -1;
176 716 : sal_Int32 nHour = GetHour();
177 716 : sal_Int32 nMin = GetMin();
178 716 : sal_Int32 nSec = GetSec();
179 716 : sal_Int32 n100Sec = Get100Sec();
180 :
181 716 : return (((nHour*3600000)+(nMin*60000)+(nSec*1000)+(n100Sec*10))*nSign);
182 : }
183 :
184 0 : void Time::MakeTimeFromMS( sal_Int32 nMS )
185 : {
186 : short nSign;
187 0 : if ( nMS < 0 )
188 : {
189 0 : nMS *= -1;
190 0 : nSign = -1;
191 : }
192 : else
193 0 : nSign = 1;
194 :
195 0 : Time aTime( 0, 0, 0, nMS/10 );
196 0 : SetTime( aTime.GetTime() * nSign );
197 0 : }
198 :
199 0 : double Time::GetTimeInDays() const
200 : {
201 0 : short nSign = (nTime >= 0) ? +1 : -1;
202 0 : double nHour = GetHour();
203 0 : double nMin = GetMin();
204 0 : double nSec = GetSec();
205 0 : double n100Sec = Get100Sec();
206 :
207 0 : return (nHour+(nMin/60)+(nSec/(60*60))+(n100Sec/(60*60*100))) / 24 * nSign;
208 : }
209 :
210 54238 : Time& Time::operator =( const Time& rTime )
211 : {
212 54238 : nTime = rTime.nTime;
213 54238 : return *this;
214 : }
215 :
216 101 : Time& Time::operator +=( const Time& rTime )
217 : {
218 101 : nTime = Sec100ToTime( TimeToSec100( *this ) +
219 101 : TimeToSec100( rTime ) ).GetTime();
220 101 : return *this;
221 : }
222 :
223 0 : Time& Time::operator -=( const Time& rTime )
224 : {
225 0 : nTime = Sec100ToTime( TimeToSec100( *this ) -
226 0 : TimeToSec100( rTime ) ).GetTime();
227 0 : return *this;
228 : }
229 :
230 0 : Time operator +( const Time& rTime1, const Time& rTime2 )
231 : {
232 0 : return Sec100ToTime( TimeToSec100( rTime1 ) +
233 0 : TimeToSec100( rTime2 ) );
234 : }
235 :
236 0 : Time operator -( const Time& rTime1, const Time& rTime2 )
237 : {
238 0 : return Sec100ToTime( TimeToSec100( rTime1 ) -
239 0 : TimeToSec100( rTime2 ) );
240 : }
241 :
242 0 : sal_Bool Time::IsEqualIgnore100Sec( const Time& rTime ) const
243 : {
244 0 : sal_Int32 n1 = (nTime < 0 ? -Get100Sec() : Get100Sec() );
245 0 : sal_Int32 n2 = (rTime.nTime < 0 ? -rTime.Get100Sec() : rTime.Get100Sec() );
246 0 : return (nTime - n1) == (rTime.nTime - n2);
247 : }
248 :
249 101 : Time Time::GetUTCOffset()
250 : {
251 : #if defined( WNT )
252 : TIME_ZONE_INFORMATION aTimeZone;
253 : aTimeZone.Bias = 0;
254 : DWORD nTimeZoneRet = GetTimeZoneInformation( &aTimeZone );
255 : sal_Int32 nTempTime = aTimeZone.Bias;
256 : if ( nTimeZoneRet == TIME_ZONE_ID_STANDARD )
257 : nTempTime += aTimeZone.StandardBias;
258 : else if ( nTimeZoneRet == TIME_ZONE_ID_DAYLIGHT )
259 : nTempTime += aTimeZone.DaylightBias;
260 : Time aTime( 0, (sal_uInt16)Abs( nTempTime ) );
261 : if ( nTempTime > 0 )
262 : aTime = -aTime;
263 : return aTime;
264 : #else
265 : static sal_uIntPtr nCacheTicks = 0;
266 : static sal_Int32 nCacheSecOffset = -1;
267 101 : sal_uIntPtr nTicks = Time::GetSystemTicks();
268 : time_t nTime;
269 : tm aTM;
270 : sal_Int32 nLocalTime;
271 : sal_Int32 nUTC;
272 : short nTempTime;
273 :
274 : // determine value again if needed
275 101 : if ( (nCacheSecOffset == -1) ||
276 : ((nTicks - nCacheTicks) > 360000) ||
277 : ( nTicks < nCacheTicks ) // handle overflow
278 : )
279 : {
280 6 : nTime = time( 0 );
281 6 : localtime_r( &nTime, &aTM );
282 6 : nLocalTime = mktime( &aTM );
283 : #if defined( SOLARIS )
284 : // Solaris gmtime_r() seems not to handle daylight saving time
285 : // flags correctly
286 : nUTC = nLocalTime + ( aTM.tm_isdst == 0 ? timezone : altzone );
287 : #elif defined( LINUX )
288 : // Linux mktime() seems not to handle tm_isdst correctly
289 6 : nUTC = nLocalTime - aTM.tm_gmtoff;
290 : #else
291 : gmtime_r( &nTime, &aTM );
292 : nUTC = mktime( &aTM );
293 : #endif
294 6 : nCacheTicks = nTicks;
295 6 : nCacheSecOffset = (nLocalTime-nUTC) / 60;
296 : }
297 :
298 101 : nTempTime = (short)Abs( nCacheSecOffset );
299 101 : Time aTime( 0, (sal_uInt16)nTempTime );
300 101 : if ( nCacheSecOffset < 0 )
301 0 : aTime = -aTime;
302 101 : return aTime;
303 : #endif
304 : }
305 :
306 25680 : sal_uIntPtr Time::GetSystemTicks()
307 : {
308 : #if defined WNT
309 : return (sal_uIntPtr)GetTickCount();
310 : #else
311 : timeval tv;
312 25680 : gettimeofday (&tv, 0);
313 :
314 25680 : double fTicks = tv.tv_sec;
315 25680 : fTicks *= 1000;
316 25680 : fTicks += ((tv.tv_usec + 500) / 1000);
317 :
318 25680 : fTicks = fmod (fTicks, double(ULONG_MAX));
319 25680 : return sal_uIntPtr(fTicks);
320 : #endif
321 : }
322 :
323 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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