xbmc/XBDateTime.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "XBDateTime.h"
  10
  11 #include "LangInfo.h"
  12 #include "guilib/LocalizeStrings.h"
  13 #include "utils/Archive.h"
  14 #include "utils/StringUtils.h"
  15 #include "utils/XTimeUtils.h"
  16 #include "utils/log.h"
  17
  18 #include <cstdlib>
  19
  20 #define SECONDS_PER_DAY 86400L
  21 #define SECONDS_PER_HOUR 3600L
  22 #define SECONDS_PER_MINUTE 60L
  23 #define SECONDS_TO_FILETIME 10000000L
  24
  25 static const char *DAY_NAMES[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
  26 static const char *MONTH_NAMES[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
  27
  28 /////////////////////////////////////////////////
  29 //
  30 // CDateTimeSpan
  31 //
  32
  33 CDateTimeSpan::CDateTimeSpan()
  34 {
  35   m_timeSpan.highDateTime = 0;
  36   m_timeSpan.lowDateTime = 0;
  37 }
  38
  39 CDateTimeSpan::CDateTimeSpan(const CDateTimeSpan& span)
  40 {
  41   m_timeSpan.highDateTime = span.m_timeSpan.highDateTime;
  42   m_timeSpan.lowDateTime = span.m_timeSpan.lowDateTime;
  43 }
  44
  45 CDateTimeSpan::CDateTimeSpan(int day, int hour, int minute, int second)
  46 {
  47   SetDateTimeSpan(day, hour, minute, second);
  48 }
  49
  50 bool CDateTimeSpan::operator >(const CDateTimeSpan& right) const
  51 {
  52   return KODI::TIME::CompareFileTime(&m_timeSpan, &right.m_timeSpan) > 0;
  53 }
  54
  55 bool CDateTimeSpan::operator >=(const CDateTimeSpan& right) const
  56 {
  57   return operator >(right) || operator ==(right);
  58 }
  59
  60 bool CDateTimeSpan::operator <(const CDateTimeSpan& right) const
  61 {
  62   return KODI::TIME::CompareFileTime(&m_timeSpan, &right.m_timeSpan) < 0;
  63 }
  64
  65 bool CDateTimeSpan::operator <=(const CDateTimeSpan& right) const
  66 {
  67   return operator <(right) || operator ==(right);
  68 }
  69
  70 bool CDateTimeSpan::operator ==(const CDateTimeSpan& right) const
  71 {
  72   return KODI::TIME::CompareFileTime(&m_timeSpan, &right.m_timeSpan) == 0;
  73 }
  74
  75 bool CDateTimeSpan::operator !=(const CDateTimeSpan& right) const
  76 {
  77   return !operator ==(right);
  78 }
  79
  80 CDateTimeSpan CDateTimeSpan::operator +(const CDateTimeSpan& right) const
  81 {
  82   CDateTimeSpan left(*this);
  83
  84   LARGE_INTEGER timeLeft;
  85   left.ToLargeInt(timeLeft);
  86
  87   LARGE_INTEGER timeRight;
  88   right.ToLargeInt(timeRight);
  89
  90   timeLeft.QuadPart+=timeRight.QuadPart;
  91
  92   left.FromLargeInt(timeLeft);
  93
  94   return left;
  95 }
  96
  97 CDateTimeSpan CDateTimeSpan::operator -(const CDateTimeSpan& right) const
  98 {
  99   CDateTimeSpan left(*this);
 100
 101   LARGE_INTEGER timeLeft;
 102   left.ToLargeInt(timeLeft);
 103
 104   LARGE_INTEGER timeRight;
 105   right.ToLargeInt(timeRight);
 106
 107   timeLeft.QuadPart-=timeRight.QuadPart;
 108
 109   left.FromLargeInt(timeLeft);
 110
 111   return left;
 112 }
 113
 114 const CDateTimeSpan& CDateTimeSpan::operator +=(const CDateTimeSpan& right)
 115 {
 116   LARGE_INTEGER timeThis;
 117   ToLargeInt(timeThis);
 118
 119   LARGE_INTEGER timeRight;
 120   right.ToLargeInt(timeRight);
 121
 122   timeThis.QuadPart+=timeRight.QuadPart;
 123
 124   FromLargeInt(timeThis);
 125
 126   return *this;
 127 }
 128
 129 const CDateTimeSpan& CDateTimeSpan::operator -=(const CDateTimeSpan& right)
 130 {
 131   LARGE_INTEGER timeThis;
 132   ToLargeInt(timeThis);
 133
 134   LARGE_INTEGER timeRight;
 135   right.ToLargeInt(timeRight);
 136
 137   timeThis.QuadPart-=timeRight.QuadPart;
 138
 139   FromLargeInt(timeThis);
 140
 141   return *this;
 142 }
 143
 144 void CDateTimeSpan::ToLargeInt(LARGE_INTEGER& time) const
 145 {
 146   time.u.HighPart = m_timeSpan.highDateTime;
 147   time.u.LowPart = m_timeSpan.lowDateTime;
 148 }
 149
 150 void CDateTimeSpan::FromLargeInt(const LARGE_INTEGER& time)
 151 {
 152   m_timeSpan.highDateTime = time.u.HighPart;
 153   m_timeSpan.lowDateTime = time.u.LowPart;
 154 }
 155
 156 void CDateTimeSpan::SetDateTimeSpan(int day, int hour, int minute, int second)
 157 {
 158   LARGE_INTEGER time;
 159   ToLargeInt(time);
 160
 161   time.QuadPart= static_cast<long long>(day) *SECONDS_PER_DAY*SECONDS_TO_FILETIME;
 162   time.QuadPart+= static_cast<long long>(hour) *SECONDS_PER_HOUR*SECONDS_TO_FILETIME;
 163   time.QuadPart+= static_cast<long long>(minute) *SECONDS_PER_MINUTE*SECONDS_TO_FILETIME;
 164   time.QuadPart+= static_cast<long long>(second) *SECONDS_TO_FILETIME;
 165
 166   FromLargeInt(time);
 167 }
 168
 169 void CDateTimeSpan::SetFromTimeString(const std::string& time) // hh:mm
 170 {
 171   if (time.size() >= 5 && time[2] == ':')
 172   {
 173     int hour    = atoi(time.substr(0, 2).c_str());
 174     int minutes = atoi(time.substr(3, 2).c_str());
 175     SetDateTimeSpan(0,hour,minutes,0);
 176   }
 177 }
 178
 179 int CDateTimeSpan::GetDays() const
 180 {
 181   LARGE_INTEGER time;
 182   ToLargeInt(time);
 183
 184   return (int)(time.QuadPart/SECONDS_TO_FILETIME)/SECONDS_PER_DAY;
 185 }
 186
 187 int CDateTimeSpan::GetHours() const
 188 {
 189   LARGE_INTEGER time;
 190   ToLargeInt(time);
 191
 192   return (int)((time.QuadPart/SECONDS_TO_FILETIME)%SECONDS_PER_DAY)/SECONDS_PER_HOUR;
 193 }
 194
 195 int CDateTimeSpan::GetMinutes() const
 196 {
 197   LARGE_INTEGER time;
 198   ToLargeInt(time);
 199
 200   return (int)((time.QuadPart/SECONDS_TO_FILETIME%SECONDS_PER_DAY)%SECONDS_PER_HOUR)/SECONDS_PER_MINUTE;
 201 }
 202
 203 int CDateTimeSpan::GetSeconds() const
 204 {
 205   LARGE_INTEGER time;
 206   ToLargeInt(time);
 207
 208   return (int)(((time.QuadPart/SECONDS_TO_FILETIME%SECONDS_PER_DAY)%SECONDS_PER_HOUR)%SECONDS_PER_MINUTE)%SECONDS_PER_MINUTE;
 209 }
 210
 211 int CDateTimeSpan::GetSecondsTotal() const
 212 {
 213   LARGE_INTEGER time;
 214   ToLargeInt(time);
 215
 216   return (int)(time.QuadPart/SECONDS_TO_FILETIME);
 217 }
 218
 219 void CDateTimeSpan::SetFromPeriod(const std::string &period)
 220 {
 221   long days = atoi(period.c_str());
 222   // find the first non-space and non-number
 223   size_t pos = period.find_first_not_of("0123456789 ", 0);
 224   if (pos != std::string::npos)
 225   {
 226     std::string units = period.substr(pos, 3);
 227     if (StringUtils::EqualsNoCase(units, "wee"))
 228       days *= 7;
 229     else if (StringUtils::EqualsNoCase(units, "mon"))
 230       days *= 31;
 231   }
 232
 233   SetDateTimeSpan(days, 0, 0, 0);
 234 }
 235
 236 /////////////////////////////////////////////////
 237 //
 238 // CDateTime
 239 //
 240
 241 CDateTime::CDateTime()
 242 {
 243   Reset();
 244 }
 245
 246 CDateTime::CDateTime(const KODI::TIME::SystemTime& time)
 247 {
 248   // we store internally as a FileTime
 249   m_state = ToFileTime(time, m_time) ? valid : invalid;
 250 }
 251
 252 CDateTime::CDateTime(const KODI::TIME::FileTime& time) : m_time(time)
 253 {
 254   SetValid(true);
 255 }
 256
 257 CDateTime::CDateTime(const CDateTime& time) : m_time(time.m_time)
 258 {
 259   m_state=time.m_state;
 260 }
 261
 262 CDateTime::CDateTime(const time_t& time)
 263 {
 264   m_state = ToFileTime(time, m_time) ? valid : invalid;
 265 }
 266
 267 CDateTime::CDateTime(const tm& time)
 268 {
 269   m_state = ToFileTime(time, m_time) ? valid : invalid;
 270 }
 271
 272 CDateTime::CDateTime(int year, int month, int day, int hour, int minute, int second)
 273 {
 274   SetDateTime(year, month, day, hour, minute, second);
 275 }
 276
 277 CDateTime CDateTime::GetCurrentDateTime()
 278 {
 279   // get the current time
 280   KODI::TIME::SystemTime time;
 281   KODI::TIME::GetLocalTime(&time);
 282
 283   return CDateTime(time);
 284 }
 285
 286 CDateTime CDateTime::GetUTCDateTime()
 287 {
 288   CDateTime time(GetCurrentDateTime());
 289   time += GetTimezoneBias();
 290   return time;
 291 }
 292
 293 const CDateTime& CDateTime::operator=(const KODI::TIME::SystemTime& right)
 294 {
 295   m_state = ToFileTime(right, m_time) ? valid : invalid;
 296
 297   return *this;
 298 }
 299
 300 const CDateTime& CDateTime::operator=(const KODI::TIME::FileTime& right)
 301 {
 302   m_time=right;
 303   SetValid(true);
 304
 305   return *this;
 306 }
 307
 308 const CDateTime& CDateTime::operator =(const time_t& right)
 309 {
 310   m_state = ToFileTime(right, m_time) ? valid : invalid;
 311
 312   return *this;
 313 }
 314
 315 const CDateTime& CDateTime::operator =(const tm& right)
 316 {
 317   m_state = ToFileTime(right, m_time) ? valid : invalid;
 318
 319   return *this;
 320 }
 321
 322 bool CDateTime::operator >(const CDateTime& right) const
 323 {
 324   return operator >(right.m_time);
 325 }
 326
 327 bool CDateTime::operator >=(const CDateTime& right) const
 328 {
 329   return operator >(right) || operator ==(right);
 330 }
 331
 332 bool CDateTime::operator <(const CDateTime& right) const
 333 {
 334   return operator <(right.m_time);
 335 }
 336
 337 bool CDateTime::operator <=(const CDateTime& right) const
 338 {
 339   return operator <(right) || operator ==(right);
 340 }
 341
 342 bool CDateTime::operator ==(const CDateTime& right) const
 343 {
 344   return operator ==(right.m_time);
 345 }
 346
 347 bool CDateTime::operator !=(const CDateTime& right) const
 348 {
 349   return !operator ==(right);
 350 }
 351
 352 bool CDateTime::operator>(const KODI::TIME::FileTime& right) const
 353 {
 354   return KODI::TIME::CompareFileTime(&m_time, &right) > 0;
 355 }
 356
 357 bool CDateTime::operator>=(const KODI::TIME::FileTime& right) const
 358 {
 359   return operator >(right) || operator ==(right);
 360 }
 361
 362 bool CDateTime::operator<(const KODI::TIME::FileTime& right) const
 363 {
 364   return KODI::TIME::CompareFileTime(&m_time, &right) < 0;
 365 }
 366
 367 bool CDateTime::operator<=(const KODI::TIME::FileTime& right) const
 368 {
 369   return operator <(right) || operator ==(right);
 370 }
 371
 372 bool CDateTime::operator==(const KODI::TIME::FileTime& right) const
 373 {
 374   return KODI::TIME::CompareFileTime(&m_time, &right) == 0;
 375 }
 376
 377 bool CDateTime::operator!=(const KODI::TIME::FileTime& right) const
 378 {
 379   return !operator ==(right);
 380 }
 381
 382 bool CDateTime::operator>(const KODI::TIME::SystemTime& right) const
 383 {
 384   KODI::TIME::FileTime time;
 385   ToFileTime(right, time);
 386
 387   return operator >(time);
 388 }
 389
 390 bool CDateTime::operator>=(const KODI::TIME::SystemTime& right) const
 391 {
 392   return operator >(right) || operator ==(right);
 393 }
 394
 395 bool CDateTime::operator<(const KODI::TIME::SystemTime& right) const
 396 {
 397   KODI::TIME::FileTime time;
 398   ToFileTime(right, time);
 399
 400   return operator <(time);
 401 }
 402
 403 bool CDateTime::operator<=(const KODI::TIME::SystemTime& right) const
 404 {
 405   return operator <(right) || operator ==(right);
 406 }
 407
 408 bool CDateTime::operator==(const KODI::TIME::SystemTime& right) const
 409 {
 410   KODI::TIME::FileTime time;
 411   ToFileTime(right, time);
 412
 413   return operator ==(time);
 414 }
 415
 416 bool CDateTime::operator!=(const KODI::TIME::SystemTime& right) const
 417 {
 418   return !operator ==(right);
 419 }
 420
 421 bool CDateTime::operator >(const time_t& right) const
 422 {
 423   KODI::TIME::FileTime time;
 424   ToFileTime(right, time);
 425
 426   return operator >(time);
 427 }
 428
 429 bool CDateTime::operator >=(const time_t& right) const
 430 {
 431   return operator >(right) || operator ==(right);
 432 }
 433
 434 bool CDateTime::operator <(const time_t& right) const
 435 {
 436   KODI::TIME::FileTime time;
 437   ToFileTime(right, time);
 438
 439   return operator <(time);
 440 }
 441
 442 bool CDateTime::operator <=(const time_t& right) const
 443 {
 444   return operator <(right) || operator ==(right);
 445 }
 446
 447 bool CDateTime::operator ==(const time_t& right) const
 448 {
 449   KODI::TIME::FileTime time;
 450   ToFileTime(right, time);
 451
 452   return operator ==(time);
 453 }
 454
 455 bool CDateTime::operator !=(const time_t& right) const
 456 {
 457   return !operator ==(right);
 458 }
 459
 460 bool CDateTime::operator >(const tm& right) const
 461 {
 462   KODI::TIME::FileTime time;
 463   ToFileTime(right, time);
 464
 465   return operator >(time);
 466 }
 467
 468 bool CDateTime::operator >=(const tm& right) const
 469 {
 470   return operator >(right) || operator ==(right);
 471 }
 472
 473 bool CDateTime::operator <(const tm& right) const
 474 {
 475   KODI::TIME::FileTime time;
 476   ToFileTime(right, time);
 477
 478   return operator <(time);
 479 }
 480
 481 bool CDateTime::operator <=(const tm& right) const
 482 {
 483   return operator <(right) || operator ==(right);
 484 }
 485
 486 bool CDateTime::operator ==(const tm& right) const
 487 {
 488   KODI::TIME::FileTime time;
 489   ToFileTime(right, time);
 490
 491   return operator ==(time);
 492 }
 493
 494 bool CDateTime::operator !=(const tm& right) const
 495 {
 496   return !operator ==(right);
 497 }
 498
 499 CDateTime CDateTime::operator +(const CDateTimeSpan& right) const
 500 {
 501   CDateTime left(*this);
 502
 503   LARGE_INTEGER timeLeft;
 504   left.ToLargeInt(timeLeft);
 505
 506   LARGE_INTEGER timeRight;
 507   right.ToLargeInt(timeRight);
 508
 509   timeLeft.QuadPart+=timeRight.QuadPart;
 510
 511   left.FromLargeInt(timeLeft);
 512
 513   return left;
 514 }
 515
 516 CDateTime CDateTime::operator -(const CDateTimeSpan& right) const
 517 {
 518   CDateTime left(*this);
 519
 520   LARGE_INTEGER timeLeft;
 521   left.ToLargeInt(timeLeft);
 522
 523   LARGE_INTEGER timeRight;
 524   right.ToLargeInt(timeRight);
 525
 526   timeLeft.QuadPart-=timeRight.QuadPart;
 527
 528   left.FromLargeInt(timeLeft);
 529
 530   return left;
 531 }
 532
 533 const CDateTime& CDateTime::operator +=(const CDateTimeSpan& right)
 534 {
 535   LARGE_INTEGER timeThis;
 536   ToLargeInt(timeThis);
 537
 538   LARGE_INTEGER timeRight;
 539   right.ToLargeInt(timeRight);
 540
 541   timeThis.QuadPart+=timeRight.QuadPart;
 542
 543   FromLargeInt(timeThis);
 544
 545   return *this;
 546 }
 547
 548 const CDateTime& CDateTime::operator -=(const CDateTimeSpan& right)
 549 {
 550   LARGE_INTEGER timeThis;
 551   ToLargeInt(timeThis);
 552
 553   LARGE_INTEGER timeRight;
 554   right.ToLargeInt(timeRight);
 555
 556   timeThis.QuadPart-=timeRight.QuadPart;
 557
 558   FromLargeInt(timeThis);
 559
 560   return *this;
 561 }
 562
 563 CDateTimeSpan CDateTime::operator -(const CDateTime& right) const
 564 {
 565   CDateTimeSpan left;
 566
 567   LARGE_INTEGER timeLeft;
 568   left.ToLargeInt(timeLeft);
 569
 570   LARGE_INTEGER timeThis;
 571   ToLargeInt(timeThis);
 572
 573   LARGE_INTEGER timeRight;
 574   right.ToLargeInt(timeRight);
 575
 576   timeLeft.QuadPart=timeThis.QuadPart-timeRight.QuadPart;
 577
 578   left.FromLargeInt(timeLeft);
 579
 580   return left;
 581 }
 582
 583 CDateTime::operator KODI::TIME::FileTime() const
 584 {
 585   return m_time;
 586 }
 587
 588 void CDateTime::Archive(CArchive& ar)
 589 {
 590   if (ar.IsStoring())
 591   {
 592     ar<<(int)m_state;
 593     if (m_state==valid)
 594     {
 595       KODI::TIME::SystemTime st;
 596       GetAsSystemTime(st);
 597       ar<<st;
 598     }
 599   }
 600   else
 601   {
 602     Reset();
 603     int state;
 604     ar >> state;
 605     m_state = CDateTime::STATE(state);
 606     if (m_state==valid)
 607     {
 608       KODI::TIME::SystemTime st;
 609       ar>>st;
 610       ToFileTime(st, m_time);
 611     }
 612   }
 613 }
 614
 615 void CDateTime::Reset()
 616 {
 617   SetDateTime(1601, 1, 1, 0, 0, 0);
 618   SetValid(false);
 619 }
 620
 621 void CDateTime::SetValid(bool yesNo)
 622 {
 623   m_state=yesNo ? valid : invalid;
 624 }
 625
 626 bool CDateTime::IsValid() const
 627 {
 628   return m_state==valid;
 629 }
 630
 631 bool CDateTime::ToFileTime(const KODI::TIME::SystemTime& time, KODI::TIME::FileTime& fileTime) const
 632 {
 633   return KODI::TIME::SystemTimeToFileTime(&time, &fileTime) == 1 &&
 634          (fileTime.lowDateTime > 0 || fileTime.highDateTime > 0);
 635 }
 636
 637 bool CDateTime::ToFileTime(const time_t& time, KODI::TIME::FileTime& fileTime) const
 638 {
 639   long long ll = time;
 640   ll *= 10000000ll;
 641   ll += 0x19DB1DED53E8000LL;
 642
 643   fileTime.lowDateTime = (DWORD)(ll & 0xFFFFFFFF);
 644   fileTime.highDateTime = (DWORD)(ll >> 32);
 645
 646   return true;
 647 }
 648
 649 bool CDateTime::ToFileTime(const tm& time, KODI::TIME::FileTime& fileTime) const
 650 {
 651   KODI::TIME::SystemTime st = {};
 652
 653   st.year = time.tm_year + 1900;
 654   st.month = time.tm_mon + 1;
 655   st.dayOfWeek = time.tm_wday;
 656   st.day = time.tm_mday;
 657   st.hour = time.tm_hour;
 658   st.minute = time.tm_min;
 659   st.second = time.tm_sec;
 660
 661   return SystemTimeToFileTime(&st, &fileTime) == 1;
 662 }
 663
 664 void CDateTime::ToLargeInt(LARGE_INTEGER& time) const
 665 {
 666   time.u.HighPart = m_time.highDateTime;
 667   time.u.LowPart = m_time.lowDateTime;
 668 }
 669
 670 void CDateTime::FromLargeInt(const LARGE_INTEGER& time)
 671 {
 672   m_time.highDateTime = time.u.HighPart;
 673   m_time.lowDateTime = time.u.LowPart;
 674 }
 675
 676 bool CDateTime::SetFromDateString(const std::string &date)
 677 {
 678   //! @todo STRING_CLEANUP
 679   if (date.empty())
 680   {
 681     SetValid(false);
 682     return false;
 683   }
 684
 685   if (SetFromDBDate(date))
 686     return true;
 687
 688   const char* months[] = {"january","february","march","april","may","june","july","august","september","october","november","december",NULL};
 689   int j=0;
 690   size_t iDayPos = date.find("day");
 691   size_t iPos = date.find(' ');
 692   if (iDayPos < iPos && iDayPos != std::string::npos)
 693   {
 694     iDayPos = iPos + 1;
 695     iPos = date.find(' ', iPos+1);
 696   }
 697   else
 698     iDayPos = 0;
 699
 700   std::string strMonth = date.substr(iDayPos, iPos - iDayPos);
 701   if (strMonth.empty())
 702     return false;
 703
 704   size_t iPos2 = date.find(',');
 705   std::string strDay = (date.size() >= iPos) ? date.substr(iPos, iPos2-iPos) : "";
 706   std::string strYear = date.substr(date.find(' ', iPos2) + 1);
 707   while (months[j] && StringUtils::CompareNoCase(strMonth, months[j]) != 0)
 708     j++;
 709   if (!months[j])
 710     return false;
 711
 712   return SetDateTime(atol(strYear.c_str()),j+1,atol(strDay.c_str()),0,0,0);
 713 }
 714
 715 int CDateTime::GetDay() const
 716 {
 717   KODI::TIME::SystemTime st;
 718   GetAsSystemTime(st);
 719
 720   return st.day;
 721 }
 722
 723 int CDateTime::GetMonth() const
 724 {
 725   KODI::TIME::SystemTime st;
 726   GetAsSystemTime(st);
 727
 728   return st.month;
 729 }
 730
 731 int CDateTime::GetYear() const
 732 {
 733   KODI::TIME::SystemTime st;
 734   GetAsSystemTime(st);
 735
 736   return st.year;
 737 }
 738
 739 int CDateTime::GetHour() const
 740 {
 741   KODI::TIME::SystemTime st;
 742   GetAsSystemTime(st);
 743
 744   return st.hour;
 745 }
 746
 747 int CDateTime::GetMinute() const
 748 {
 749   KODI::TIME::SystemTime st;
 750   GetAsSystemTime(st);
 751
 752   return st.minute;
 753 }
 754
 755 int CDateTime::GetSecond() const
 756 {
 757   KODI::TIME::SystemTime st;
 758   GetAsSystemTime(st);
 759
 760   return st.second;
 761 }
 762
 763 int CDateTime::GetDayOfWeek() const
 764 {
 765   KODI::TIME::SystemTime st;
 766   GetAsSystemTime(st);
 767
 768   return st.dayOfWeek;
 769 }
 770
 771 int CDateTime::GetMinuteOfDay() const
 772 {
 773   KODI::TIME::SystemTime st;
 774   GetAsSystemTime(st);
 775   return st.hour * 60 + st.minute;
 776 }
 777
 778 bool CDateTime::SetDateTime(int year, int month, int day, int hour, int minute, int second)
 779 {
 780   KODI::TIME::SystemTime st = {};
 781
 782   st.year = year;
 783   st.month = month;
 784   st.day = day;
 785   st.hour = hour;
 786   st.minute = minute;
 787   st.second = second;
 788
 789   m_state = ToFileTime(st, m_time) ? valid : invalid;
 790   return m_state == valid;
 791 }
 792
 793 bool CDateTime::SetDate(int year, int month, int day)
 794 {
 795   return SetDateTime(year, month, day, 0, 0, 0);
 796 }
 797
 798 bool CDateTime::SetTime(int hour, int minute, int second)
 799 {
 800   // 01.01.1601 00:00:00 is 0 as filetime
 801   return SetDateTime(1601, 1, 1, hour, minute, second);
 802 }
 803
 804 void CDateTime::GetAsSystemTime(KODI::TIME::SystemTime& time) const
 805 {
 806   FileTimeToSystemTime(&m_time, &time);
 807 }
 808
 809 #define UNIX_BASE_TIME 116444736000000000LL /* nanoseconds since epoch */
 810 void CDateTime::GetAsTime(time_t& time) const
 811 {
 812   long long ll = (static_cast<long long>(m_time.highDateTime) << 32) + m_time.lowDateTime;
 813   time=(time_t)((ll - UNIX_BASE_TIME) / 10000000);
 814 }
 815
 816 void CDateTime::GetAsTm(tm& time) const
 817 {
 818   KODI::TIME::SystemTime st;
 819   GetAsSystemTime(st);
 820
 821   time.tm_year = st.year - 1900;
 822   time.tm_mon = st.month - 1;
 823   time.tm_wday = st.dayOfWeek;
 824   time.tm_mday = st.day;
 825   time.tm_hour = st.hour;
 826   time.tm_min = st.minute;
 827   time.tm_sec = st.second;
 828
 829   mktime(&time);
 830 }
 831
 832 void CDateTime::GetAsTimeStamp(KODI::TIME::FileTime& time) const
 833 {
 834   KODI::TIME::LocalFileTimeToFileTime(&m_time, &time);
 835 }
 836
 837 std::string CDateTime::GetAsDBDate() const
 838 {
 839   KODI::TIME::SystemTime st;
 840   GetAsSystemTime(st);
 841
 842   return StringUtils::Format("{:04}-{:02}-{:02}", st.year, st.month, st.day);
 843 }
 844
 845 std::string CDateTime::GetAsDBTime() const
 846 {
 847   KODI::TIME::SystemTime st;
 848   GetAsSystemTime(st);
 849
 850   return StringUtils::Format("{:02}:{:02}:{:02}", st.hour, st.minute, st.second);
 851 }
 852
 853 std::string CDateTime::GetAsDBDateTime() const
 854 {
 855   KODI::TIME::SystemTime st;
 856   GetAsSystemTime(st);
 857
 858   return StringUtils::Format("{:04}-{:02}-{:02} {:02}:{:02}:{:02}", st.year, st.month, st.day,
 859                              st.hour, st.minute, st.second);
 860 }
 861
 862 std::string CDateTime::GetAsSaveString() const
 863 {
 864   KODI::TIME::SystemTime st;
 865   GetAsSystemTime(st);
 866
 867   return StringUtils::Format("{:04}{:02}{:02}_{:02}{:02}{:02}", st.year, st.month, st.day, st.hour,
 868                              st.minute, st.second);
 869 }
 870
 871 bool CDateTime::SetFromUTCDateTime(const CDateTime &dateTime)
 872 {
 873   CDateTime tmp(dateTime);
 874   tmp -= GetTimezoneBias();
 875
 876   m_time = tmp.m_time;
 877   m_state = tmp.m_state;
 878   return m_state == valid;
 879 }
 880
 881 static bool bGotTimezoneBias = false;
 882
 883 void CDateTime::ResetTimezoneBias(void)
 884 {
 885   bGotTimezoneBias = false;
 886 }
 887
 888 CDateTimeSpan CDateTime::GetTimezoneBias(void)
 889 {
 890   static CDateTimeSpan timezoneBias;
 891
 892   if (!bGotTimezoneBias)
 893   {
 894     bGotTimezoneBias = true;
 895     KODI::TIME::TimeZoneInformation tz;
 896     switch (KODI::TIME::GetTimeZoneInformation(&tz))
 897     {
 898       case KODI::TIME::KODI_TIME_ZONE_ID_DAYLIGHT:
 899         timezoneBias = CDateTimeSpan(0, 0, tz.bias + tz.daylightBias, 0);
 900         break;
 901       case KODI::TIME::KODI_TIME_ZONE_ID_STANDARD:
 902         timezoneBias = CDateTimeSpan(0, 0, tz.bias + tz.standardBias, 0);
 903         break;
 904       case KODI::TIME::KODI_TIME_ZONE_ID_UNKNOWN:
 905         timezoneBias = CDateTimeSpan(0, 0, tz.bias, 0);
 906         break;
 907     }
 908   }
 909
 910   return timezoneBias;
 911 }
 912
 913 bool CDateTime::SetFromUTCDateTime(const time_t &dateTime)
 914 {
 915   CDateTime tmp(dateTime);
 916   return SetFromUTCDateTime(tmp);
 917 }
 918
 919 bool CDateTime::SetFromW3CDate(const std::string &dateTime)
 920 {
 921   std::string date;
 922
 923   size_t posT = dateTime.find('T');
 924   if(posT != std::string::npos)
 925     date = dateTime.substr(0, posT);
 926   else
 927     date = dateTime;
 928
 929   int year = 0, month = 1, day = 1;
 930
 931   if (date.size() >= 4)
 932     year  = atoi(date.substr(0, 4).c_str());
 933
 934   if (date.size() >= 10)
 935   {
 936     month = atoi(date.substr(5, 2).c_str());
 937     day   = atoi(date.substr(8, 2).c_str());
 938   }
 939
 940   CDateTime tmpDateTime(year, month, day, 0, 0, 0);
 941   if (tmpDateTime.IsValid())
 942     *this = tmpDateTime;
 943
 944   return IsValid();
 945 }
 946
 947 bool CDateTime::SetFromW3CDateTime(const std::string &dateTime, bool ignoreTimezone /* = false */)
 948 {
 949   std::string date, time, zone;
 950
 951   size_t posT = dateTime.find('T');
 952   if(posT != std::string::npos)
 953   {
 954     date = dateTime.substr(0, posT);
 955     std::string::size_type posZ = dateTime.find_first_of("+-Z", posT);
 956     if(posZ == std::string::npos)
 957       time = dateTime.substr(posT + 1);
 958     else
 959     {
 960       time = dateTime.substr(posT + 1, posZ - posT - 1);
 961       zone = dateTime.substr(posZ);
 962     }
 963   }
 964   else
 965     date = dateTime;
 966
 967   int year = 0, month = 1, day = 1, hour = 0, min = 0, sec = 0;
 968
 969   if (date.size() >= 4)
 970     year  = atoi(date.substr(0, 4).c_str());
 971
 972   if (date.size() >= 10)
 973   {
 974     month = atoi(date.substr(5, 2).c_str());
 975     day   = atoi(date.substr(8, 2).c_str());
 976   }
 977
 978   if (time.length() >= 5)
 979   {
 980     hour = atoi(time.substr(0, 2).c_str());
 981     min  = atoi(time.substr(3, 2).c_str());
 982   }
 983
 984   if (time.length() >= 8)
 985     sec  = atoi(time.substr(6, 2).c_str());
 986
 987   CDateTime tmpDateTime(year, month, day, hour, min, sec);
 988   if (!tmpDateTime.IsValid())
 989     return false;
 990
 991   if (!ignoreTimezone && !zone.empty())
 992   {
 993     // check if the timezone is UTC
 994     if (StringUtils::StartsWith(zone, "Z"))
 995       return SetFromUTCDateTime(tmpDateTime);
 996     else
 997     {
 998       // retrieve the timezone offset (ignoring the + or -)
 999       CDateTimeSpan zoneSpan; zoneSpan.SetFromTimeString(zone.substr(1));
1000       if (zoneSpan.GetSecondsTotal() != 0)
1001       {
1002         if (StringUtils::StartsWith(zone, "+"))
1003           tmpDateTime -= zoneSpan;
1004         else if (StringUtils::StartsWith(zone, "-"))
1005           tmpDateTime += zoneSpan;
1006       }
1007     }
1008   }
1009
1010   *this = tmpDateTime;
1011   return IsValid();
1012 }
1013
1014 bool CDateTime::SetFromDBDateTime(const std::string &dateTime)
1015 {
1016   // assumes format YYYY-MM-DD HH:MM:SS
1017   if (dateTime.size() == 19)
1018   {
1019     int year  = atoi(dateTime.substr(0, 4).c_str());
1020     int month = atoi(dateTime.substr(5, 2).c_str());
1021     int day   = atoi(dateTime.substr(8, 2).c_str());
1022     int hour  = atoi(dateTime.substr(11, 2).c_str());
1023     int min   = atoi(dateTime.substr(14, 2).c_str());
1024     int sec   = atoi(dateTime.substr(17, 2).c_str());
1025     return SetDateTime(year, month, day, hour, min, sec);
1026   }
1027   return false;
1028 }
1029
1030 bool CDateTime::SetFromDBDate(const std::string &date)
1031 {
1032   if (date.size() < 10)
1033     return false;
1034   // assumes format:
1035   // YYYY-MM-DD or DD-MM-YYYY
1036   const static std::string sep_chars = "-./";
1037   int year = 0, month = 0, day = 0;
1038   if (sep_chars.find(date[2]) != std::string::npos)
1039   {
1040     day = atoi(date.substr(0, 2).c_str());
1041     month = atoi(date.substr(3, 2).c_str());
1042     year = atoi(date.substr(6, 4).c_str());
1043   }
1044   else if (sep_chars.find(date[4]) != std::string::npos)
1045   {
1046     year = atoi(date.substr(0, 4).c_str());
1047     month = atoi(date.substr(5, 2).c_str());
1048     day = atoi(date.substr(8, 2).c_str());
1049   }
1050   return SetDate(year, month, day);
1051 }
1052
1053 bool CDateTime::SetFromDBTime(const std::string &time)
1054 {
1055   if (time.size() < 5)
1056     return false;
1057
1058   int hour;
1059   int minute;
1060
1061   int second = 0;
1062   // HH:MM or HH:MM:SS
1063   hour   = atoi(time.substr(0, 2).c_str());
1064   minute = atoi(time.substr(3, 2).c_str());
1065   // HH:MM:SS
1066   if (time.size() == 8)
1067     second = atoi(time.substr(6, 2).c_str());
1068
1069   return SetTime(hour, minute, second);
1070 }
1071
1072 bool CDateTime::SetFromRFC1123DateTime(const std::string &dateTime)
1073 {
1074   std::string date = dateTime;
1075   StringUtils::Trim(date);
1076
1077   if (date.size() != 29)
1078     return false;
1079
1080   int day  = strtol(date.substr(5, 2).c_str(), NULL, 10);
1081
1082   std::string strMonth = date.substr(8, 3);
1083   int month = 0;
1084   for (unsigned int index = 0; index < 12; index++)
1085   {
1086     if (strMonth == MONTH_NAMES[index])
1087     {
1088       month = index + 1;
1089       break;
1090     }
1091   }
1092
1093   if (month < 1)
1094     return false;
1095
1096   int year = strtol(date.substr(12, 4).c_str(), NULL, 10);
1097   int hour = strtol(date.substr(17, 2).c_str(), NULL, 10);
1098   int min  = strtol(date.substr(20, 2).c_str(), NULL, 10);
1099   int sec  = strtol(date.substr(23, 2).c_str(), NULL, 10);
1100
1101   return SetDateTime(year, month, day, hour, min, sec);
1102 }
1103
1104 CDateTime CDateTime::FromDateString(const std::string &date)
1105 {
1106   CDateTime dt;
1107   dt.SetFromDateString(date);
1108   return dt;
1109 }
1110
1111 CDateTime CDateTime::FromDBDateTime(const std::string &dateTime)
1112 {
1113   CDateTime dt;
1114   dt.SetFromDBDateTime(dateTime);
1115   return dt;
1116 }
1117
1118 CDateTime CDateTime::FromDBDate(const std::string &date)
1119 {
1120   CDateTime dt;
1121   dt.SetFromDBDate(date);
1122   return dt;
1123 }
1124
1125 CDateTime CDateTime::FromDBTime(const std::string &time)
1126 {
1127   CDateTime dt;
1128   dt.SetFromDBTime(time);
1129   return dt;
1130 }
1131
1132 CDateTime CDateTime::FromW3CDate(const std::string &date)
1133 {
1134   CDateTime dt;
1135   dt.SetFromW3CDate(date);
1136   return dt;
1137 }
1138
1139 CDateTime CDateTime::FromW3CDateTime(const std::string &date, bool ignoreTimezone /* = false */)
1140 {
1141   CDateTime dt;
1142   dt.SetFromW3CDateTime(date, ignoreTimezone);
1143   return dt;
1144 }
1145
1146 CDateTime CDateTime::FromUTCDateTime(const CDateTime &dateTime)
1147 {
1148   CDateTime dt;
1149   dt.SetFromUTCDateTime(dateTime);
1150   return dt;
1151 }
1152
1153 CDateTime CDateTime::FromUTCDateTime(const time_t &dateTime)
1154 {
1155   CDateTime dt;
1156   dt.SetFromUTCDateTime(dateTime);
1157   return dt;
1158 }
1159
1160 CDateTime CDateTime::FromRFC1123DateTime(const std::string &dateTime)
1161 {
1162   CDateTime dt;
1163   dt.SetFromRFC1123DateTime(dateTime);
1164   return dt;
1165 }
1166
1167 std::string CDateTime::GetAsLocalizedTime(const std::string &format, bool withSeconds) const
1168 {
1169   std::string strOut;
1170   const std::string& strFormat = format.empty() ? g_langInfo.GetTimeFormat() : format;
1171
1172   KODI::TIME::SystemTime dateTime;
1173   GetAsSystemTime(dateTime);
1174
1175   // Prefetch meridiem symbol
1176   const std::string& strMeridiem =
1177       CLangInfo::MeridiemSymbolToString(dateTime.hour > 11 ? MeridiemSymbolPM : MeridiemSymbolAM);
1178
1179   size_t length = strFormat.size();
1180   for (size_t i=0; i < length; ++i)
1181   {
1182     char c=strFormat[i];
1183     if (c=='\'')
1184     {
1185       // To be able to display a "'" in the string,
1186       // find the last "'" that doesn't follow a "'"
1187       size_t pos=i + 1;
1188       while(((pos = strFormat.find(c, pos + 1)) != std::string::npos &&
1189              pos<strFormat.size()) && strFormat[pos+1]=='\'') {}
1190
1191       std::string strPart;
1192       if (pos != std::string::npos)
1193       {
1194         // Extract string between ' '
1195         strPart=strFormat.substr(i + 1, pos - i - 1);
1196         i=pos;
1197       }
1198       else
1199       {
1200         strPart=strFormat.substr(i + 1, length - i - 1);
1201         i=length;
1202       }
1203
1204       StringUtils::Replace(strPart, "''", "'");
1205
1206       strOut+=strPart;
1207     }
1208     else if (c=='h' || c=='H') // parse hour (H="24 hour clock")
1209     {
1210       int partLength=0;
1211
1212       int pos=strFormat.find_first_not_of(c,i+1);
1213       if (pos>-1)
1214       {
1215         // Get length of the hour mask, eg. HH
1216         partLength=pos-i;
1217         i=pos-1;
1218       }
1219       else
1220       {
1221         // mask ends at the end of the string, extract it
1222         partLength=length-i;
1223         i=length;
1224       }
1225
1226       int hour = dateTime.hour;
1227       if (c=='h')
1228       { // recalc to 12 hour clock
1229         if (hour > 11)
1230           hour -= (12 * (hour > 12));
1231         else
1232           hour += (12 * (hour < 1));
1233       }
1234
1235       // Format hour string with the length of the mask
1236       std::string str;
1237       if (partLength==1)
1238         str = std::to_string(hour);
1239       else
1240         str = StringUtils::Format("{:02}", hour);
1241
1242       strOut+=str;
1243     }
1244     else if (c=='m') // parse minutes
1245     {
1246       int partLength=0;
1247
1248       int pos=strFormat.find_first_not_of(c,i+1);
1249       if (pos>-1)
1250       {
1251         // Get length of the minute mask, eg. mm
1252         partLength=pos-i;
1253         i=pos-1;
1254       }
1255       else
1256       {
1257         // mask ends at the end of the string, extract it
1258         partLength=length-i;
1259         i=length;
1260       }
1261
1262       // Format minute string with the length of the mask
1263       std::string str;
1264       if (partLength==1)
1265         str = std::to_string(dateTime.minute);
1266       else
1267         str = StringUtils::Format("{:02}", dateTime.minute);
1268
1269       strOut+=str;
1270     }
1271     else if (c=='s') // parse seconds
1272     {
1273       int partLength=0;
1274
1275       int pos=strFormat.find_first_not_of(c,i+1);
1276       if (pos>-1)
1277       {
1278         // Get length of the seconds mask, eg. ss
1279         partLength=pos-i;
1280         i=pos-1;
1281       }
1282       else
1283       {
1284         // mask ends at the end of the string, extract it
1285         partLength=length-i;
1286         i=length;
1287       }
1288
1289       if (withSeconds)
1290       {
1291         // Format seconds string with the length of the mask
1292         std::string str;
1293         if (partLength==1)
1294           str = std::to_string(dateTime.second);
1295         else
1296           str = StringUtils::Format("{:02}", dateTime.second);
1297
1298         strOut+=str;
1299       }
1300       else
1301         strOut.erase(strOut.size()-1,1);
1302     }
1303     else if (c=='x') // add meridiem symbol
1304     {
1305       int pos=strFormat.find_first_not_of(c,i+1);
1306       if (pos>-1)
1307       {
1308         // Get length of the meridiem mask
1309         i=pos-1;
1310       }
1311       else
1312       {
1313         // mask ends at the end of the string, extract it
1314         i=length;
1315       }
1316
1317       strOut+=strMeridiem;
1318     }
1319     else // everything else pass to output
1320       strOut+=c;
1321   }
1322
1323   return strOut;
1324 }
1325
1326 std::string CDateTime::GetAsLocalizedDate(bool longDate/*=false*/) const
1327 {
1328   return GetAsLocalizedDate(g_langInfo.GetDateFormat(longDate));
1329 }
1330
1331 std::string CDateTime::GetAsLocalizedDate(const std::string &strFormat) const
1332 {
1333   std::string strOut;
1334
1335   KODI::TIME::SystemTime dateTime;
1336   GetAsSystemTime(dateTime);
1337
1338   size_t length = strFormat.size();
1339   for (size_t i = 0; i < length; ++i)
1340   {
1341     char c=strFormat[i];
1342     if (c=='\'')
1343     {
1344       // To be able to display a "'" in the string,
1345       // find the last "'" that doesn't follow a "'"
1346       size_t pos = i + 1;
1347       while(((pos = strFormat.find(c, pos + 1)) != std::string::npos &&
1348              pos < strFormat.size()) &&
1349             strFormat[pos + 1] == '\'') {}
1350
1351       std::string strPart;
1352       if (pos != std::string::npos)
1353       {
1354         // Extract string between ' '
1355         strPart = strFormat.substr(i + 1, pos - i - 1);
1356         i = pos;
1357       }
1358       else
1359       {
1360         strPart = strFormat.substr(i + 1, length - i - 1);
1361         i = length;
1362       }
1363       StringUtils::Replace(strPart, "''", "'");
1364       strOut+=strPart;
1365     }
1366     else if (c=='D' || c=='d') // parse days
1367     {
1368       size_t partLength=0;
1369
1370       size_t pos = strFormat.find_first_not_of(c, i+1);
1371       if (pos != std::string::npos)
1372       {
1373         // Get length of the day mask, eg. DDDD
1374         partLength=pos-i;
1375         i=pos-1;
1376       }
1377       else
1378       {
1379         // mask ends at the end of the string, extract it
1380         partLength=length-i;
1381         i=length;
1382       }
1383
1384       // Format string with the length of the mask
1385       std::string str;
1386       if (partLength==1) // single-digit number
1387         str = std::to_string(dateTime.day);
1388       else if (partLength==2) // two-digit number
1389         str = StringUtils::Format("{:02}", dateTime.day);
1390       else // Day of week string
1391       {
1392         int wday = dateTime.dayOfWeek;
1393         if (wday < 1 || wday > 7) wday = 7;
1394         str = g_localizeStrings.Get((c =='d' ? 40 : 10) + wday);
1395       }
1396       strOut+=str;
1397     }
1398     else if (c=='M' || c=='m') // parse month
1399     {
1400       size_t partLength=0;
1401
1402       size_t pos=strFormat.find_first_not_of(c,i+1);
1403       if (pos != std::string::npos)
1404       {
1405         // Get length of the month mask, eg. MMMM
1406         partLength=pos-i;
1407         i=pos-1;
1408       }
1409       else
1410       {
1411         // mask ends at the end of the string, extract it
1412         partLength=length-i;
1413         i=length;
1414       }
1415
1416       // Format string with the length of the mask
1417       std::string str;
1418       if (partLength==1) // single-digit number
1419         str = std::to_string(dateTime.month);
1420       else if (partLength==2) // two-digit number
1421         str = StringUtils::Format("{:02}", dateTime.month);
1422       else // Month string
1423       {
1424         int wmonth = dateTime.month;
1425         if (wmonth < 1 || wmonth > 12) wmonth = 12;
1426         str = g_localizeStrings.Get((c =='m' ? 50 : 20) + wmonth);
1427       }
1428       strOut+=str;
1429     }
1430     else if (c=='Y' || c =='y') // parse year
1431     {
1432       size_t partLength = 0;
1433
1434       size_t pos = strFormat.find_first_not_of(c,i+1);
1435       if (pos != std::string::npos)
1436       {
1437         // Get length of the year mask, eg. YYYY
1438         partLength=pos-i;
1439         i=pos-1;
1440       }
1441       else
1442       {
1443         // mask ends at the end of the string, extract it
1444         partLength=length-i;
1445         i=length;
1446       }
1447
1448       // Format string with the length of the mask
1449       std::string str = std::to_string(dateTime.year); // four-digit number
1450       if (partLength <= 2)
1451         str.erase(0, 2); // two-digit number
1452
1453       strOut+=str;
1454     }
1455     else // everything else pass to output
1456       strOut+=c;
1457   }
1458
1459   return strOut;
1460 }
1461
1462 std::string CDateTime::GetAsLocalizedDateTime(bool longDate/*=false*/, bool withSeconds/*=true*/) const
1463 {
1464   return GetAsLocalizedDate(longDate) + ' ' + GetAsLocalizedTime("", withSeconds);
1465 }
1466
1467 std::string CDateTime::GetAsLocalizedTime(TIME_FORMAT format, bool withSeconds /* = false */) const
1468 {
1469   const std::string timeFormat = g_langInfo.GetTimeFormat();
1470   bool use12hourclock = timeFormat.find('h') != std::string::npos;
1471   switch (format)
1472   {
1473     case TIME_FORMAT_GUESS:
1474       return GetAsLocalizedTime("", withSeconds);
1475     case TIME_FORMAT_SS:
1476       return GetAsLocalizedTime("ss", true);
1477     case TIME_FORMAT_MM:
1478       return GetAsLocalizedTime("mm", true);
1479     case TIME_FORMAT_MM_SS:
1480       return GetAsLocalizedTime("mm:ss", true);
1481     case TIME_FORMAT_HH:  // this forces it to a 12 hour clock
1482       return GetAsLocalizedTime(use12hourclock ? "h" : "HH", false);
1483     case TIME_FORMAT_HH_SS:
1484       return GetAsLocalizedTime(use12hourclock ? "h:ss" : "HH:ss", true);
1485     case TIME_FORMAT_HH_MM:
1486       return GetAsLocalizedTime(use12hourclock ? "h:mm" : "HH:mm", false);
1487     case TIME_FORMAT_HH_MM_XX:
1488       return GetAsLocalizedTime(use12hourclock ? "h:mm xx" : "HH:mm", false);
1489     case TIME_FORMAT_HH_MM_SS:
1490       return GetAsLocalizedTime(use12hourclock ? "hh:mm:ss" : "HH:mm:ss", true);
1491     case TIME_FORMAT_HH_MM_SS_XX:
1492       return GetAsLocalizedTime(use12hourclock ? "hh:mm:ss xx" : "HH:mm:ss", true);
1493     case TIME_FORMAT_H:
1494       return GetAsLocalizedTime("h", false);
1495     case TIME_FORMAT_M:
1496       return GetAsLocalizedTime("m", false);
1497     case TIME_FORMAT_H_MM_SS:
1498       return GetAsLocalizedTime("h:mm:ss", true);
1499     case TIME_FORMAT_H_MM_SS_XX:
1500       return GetAsLocalizedTime("h:mm:ss xx", true);
1501     case TIME_FORMAT_XX:
1502       return use12hourclock ? GetAsLocalizedTime("xx", false) : "";
1503     default:
1504       break;
1505   }
1506   return GetAsLocalizedTime("", false);
1507 }
1508
1509 CDateTime CDateTime::GetAsUTCDateTime() const
1510 {
1511   CDateTime time(m_time);
1512   time += GetTimezoneBias();
1513   return time;
1514 }
1515
1516 std::string CDateTime::GetAsRFC1123DateTime() const
1517 {
1518   CDateTime time(GetAsUTCDateTime());
1519
1520   int weekDay = time.GetDayOfWeek();
1521   if (weekDay < 0)
1522     weekDay = 0;
1523   else if (weekDay > 6)
1524     weekDay = 6;
1525   if (weekDay != time.GetDayOfWeek())
1526     CLog::Log(LOGWARNING, "Invalid day of week {} in {}", time.GetDayOfWeek(),
1527               time.GetAsDBDateTime());
1528
1529   int month = time.GetMonth();
1530   if (month < 1)
1531     month = 1;
1532   else if (month > 12)
1533     month = 12;
1534   if (month != time.GetMonth())
1535     CLog::Log(LOGWARNING, "Invalid month {} in {}", time.GetMonth(), time.GetAsDBDateTime());
1536
1537   return StringUtils::Format("{}, {:02} {} {:04} {:02}:{:02}:{:02} GMT", DAY_NAMES[weekDay],
1538                              time.GetDay(), MONTH_NAMES[month - 1], time.GetYear(), time.GetHour(),
1539                              time.GetMinute(), time.GetSecond());
1540 }
1541
1542 std::string CDateTime::GetAsW3CDate() const
1543 {
1544   KODI::TIME::SystemTime st;
1545   GetAsSystemTime(st);
1546
1547   return StringUtils::Format("{:04}-{:02}-{:02}", st.year, st.month, st.day);
1548 }
1549
1550 std::string CDateTime::GetAsW3CDateTime(bool asUtc /* = false */) const
1551 {
1552   CDateTime w3cDate = *this;
1553   if (asUtc)
1554     w3cDate = GetAsUTCDateTime();
1555   KODI::TIME::SystemTime st;
1556   w3cDate.GetAsSystemTime(st);
1557
1558   std::string result = StringUtils::Format("{:04}-{:02}-{:02}T{:02}:{:02}:{:02}", st.year, st.month,
1559                                            st.day, st.hour, st.minute, st.second);
1560   if (asUtc)
1561     return result + "Z";
1562
1563   CDateTimeSpan bias = GetTimezoneBias();
1564   return result + StringUtils::Format("{}{:02}:{:02}", (bias.GetSecondsTotal() >= 0 ? '+' : '-'),
1565                                       abs(bias.GetHours()), abs(bias.GetMinutes()));
1566 }
1567
1568 int CDateTime::MonthStringToMonthNum(const std::string& month)
1569 {
1570   const char* months[] = {"january","february","march","april","may","june","july","august","september","october","november","december"};
1571   const char* abr_months[] = {"jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec"};
1572
1573   int i = 0;
1574   for (; i < 12 && !StringUtils::EqualsNoCase(month, months[i]) && !StringUtils::EqualsNoCase(month, abr_months[i]); i++);
1575   i++;
1576
1577   return i;
1578 }