diff options
Diffstat (limited to 'src/XBDateTime.cpp')
-rw-r--r-- | src/XBDateTime.cpp | 1470 |
1 files changed, 1470 insertions, 0 deletions
diff --git a/src/XBDateTime.cpp b/src/XBDateTime.cpp new file mode 100644 index 0000000000..bc8175058f --- /dev/null +++ b/src/XBDateTime.cpp @@ -0,0 +1,1470 @@ +/* + * Copyright (C) 2005-2013 Team XBMC + * http://xbmc.org + * + * This Program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This Program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with XBMC; see the file COPYING. If not, see + * <http://www.gnu.org/licenses/>. + * + */ + +#include "XBDateTime.h" +#include "LangInfo.h" +#include "guilib/LocalizeStrings.h" +#include "utils/log.h" +#include "utils/StringUtils.h" +#include "utils/Archive.h" +#ifdef TARGET_POSIX +#include "XTimeUtils.h" +#include "XFileUtils.h" +#else +#include <Windows.h> +#endif + +#define SECONDS_PER_DAY 86400UL +#define SECONDS_PER_HOUR 3600UL +#define SECONDS_PER_MINUTE 60UL +#define SECONDS_TO_FILETIME 10000000UL + +static const char *DAY_NAMES[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; +static const char *MONTH_NAMES[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; + +///////////////////////////////////////////////// +// +// CDateTimeSpan +// + +CDateTimeSpan::CDateTimeSpan() +{ + m_timeSpan.dwHighDateTime=0; + m_timeSpan.dwLowDateTime=0; +} + +CDateTimeSpan::CDateTimeSpan(const CDateTimeSpan& span) +{ + m_timeSpan.dwHighDateTime=span.m_timeSpan.dwHighDateTime; + m_timeSpan.dwLowDateTime=span.m_timeSpan.dwLowDateTime; +} + +CDateTimeSpan::CDateTimeSpan(int day, int hour, int minute, int second) +{ + SetDateTimeSpan(day, hour, minute, second); +} + +bool CDateTimeSpan::operator >(const CDateTimeSpan& right) const +{ + return CompareFileTime(&m_timeSpan, &right.m_timeSpan)>0; +} + +bool CDateTimeSpan::operator >=(const CDateTimeSpan& right) const +{ + return operator >(right) || operator ==(right); +} + +bool CDateTimeSpan::operator <(const CDateTimeSpan& right) const +{ + return CompareFileTime(&m_timeSpan, &right.m_timeSpan)<0; +} + +bool CDateTimeSpan::operator <=(const CDateTimeSpan& right) const +{ + return operator <(right) || operator ==(right); +} + +bool CDateTimeSpan::operator ==(const CDateTimeSpan& right) const +{ + return CompareFileTime(&m_timeSpan, &right.m_timeSpan)==0; +} + +bool CDateTimeSpan::operator !=(const CDateTimeSpan& right) const +{ + return !operator ==(right); +} + +CDateTimeSpan CDateTimeSpan::operator +(const CDateTimeSpan& right) const +{ + CDateTimeSpan left(*this); + + ULARGE_INTEGER timeLeft; + left.ToULargeInt(timeLeft); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeLeft.QuadPart+=timeRight.QuadPart; + + left.FromULargeInt(timeLeft); + + return left; +} + +CDateTimeSpan CDateTimeSpan::operator -(const CDateTimeSpan& right) const +{ + CDateTimeSpan left(*this); + + ULARGE_INTEGER timeLeft; + left.ToULargeInt(timeLeft); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeLeft.QuadPart-=timeRight.QuadPart; + + left.FromULargeInt(timeLeft); + + return left; +} + +const CDateTimeSpan& CDateTimeSpan::operator +=(const CDateTimeSpan& right) +{ + ULARGE_INTEGER timeThis; + ToULargeInt(timeThis); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeThis.QuadPart+=timeRight.QuadPart; + + FromULargeInt(timeThis); + + return *this; +} + +const CDateTimeSpan& CDateTimeSpan::operator -=(const CDateTimeSpan& right) +{ + ULARGE_INTEGER timeThis; + ToULargeInt(timeThis); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeThis.QuadPart-=timeRight.QuadPart; + + FromULargeInt(timeThis); + + return *this; +} + +void CDateTimeSpan::ToULargeInt(ULARGE_INTEGER& time) const +{ + time.u.HighPart=m_timeSpan.dwHighDateTime; + time.u.LowPart=m_timeSpan.dwLowDateTime; +} + +void CDateTimeSpan::FromULargeInt(const ULARGE_INTEGER& time) +{ + m_timeSpan.dwHighDateTime=time.u.HighPart; + m_timeSpan.dwLowDateTime=time.u.LowPart; +} + +void CDateTimeSpan::SetDateTimeSpan(int day, int hour, int minute, int second) +{ + ULARGE_INTEGER time; + ToULargeInt(time); + + time.QuadPart=(LONGLONG)day*SECONDS_PER_DAY*SECONDS_TO_FILETIME; + time.QuadPart+=(LONGLONG)hour*SECONDS_PER_HOUR*SECONDS_TO_FILETIME; + time.QuadPart+=(LONGLONG)minute*SECONDS_PER_MINUTE*SECONDS_TO_FILETIME; + time.QuadPart+=(LONGLONG)second*SECONDS_TO_FILETIME; + + FromULargeInt(time); +} + +void CDateTimeSpan::SetFromTimeString(const std::string& time) // hh:mm +{ + if (time.size() >= 5 && time[2] == ':') + { + int hour = atoi(time.substr(0, 2).c_str()); + int minutes = atoi(time.substr(3, 2).c_str()); + SetDateTimeSpan(0,hour,minutes,0); + } +} + +int CDateTimeSpan::GetDays() const +{ + ULARGE_INTEGER time; + ToULargeInt(time); + + return (int)(time.QuadPart/SECONDS_TO_FILETIME)/SECONDS_PER_DAY; +} + +int CDateTimeSpan::GetHours() const +{ + ULARGE_INTEGER time; + ToULargeInt(time); + + return (int)((time.QuadPart/SECONDS_TO_FILETIME)%SECONDS_PER_DAY)/SECONDS_PER_HOUR; +} + +int CDateTimeSpan::GetMinutes() const +{ + ULARGE_INTEGER time; + ToULargeInt(time); + + return (int)((time.QuadPart/SECONDS_TO_FILETIME%SECONDS_PER_DAY)%SECONDS_PER_HOUR)/SECONDS_PER_MINUTE; +} + +int CDateTimeSpan::GetSeconds() const +{ + ULARGE_INTEGER time; + ToULargeInt(time); + + return (int)(((time.QuadPart/SECONDS_TO_FILETIME%SECONDS_PER_DAY)%SECONDS_PER_HOUR)%SECONDS_PER_MINUTE)%SECONDS_PER_MINUTE; +} + +int CDateTimeSpan::GetSecondsTotal() const +{ + ULARGE_INTEGER time; + ToULargeInt(time); + + return (int)(time.QuadPart/SECONDS_TO_FILETIME); +} + +void CDateTimeSpan::SetFromPeriod(const std::string &period) +{ + long days = atoi(period.c_str()); + // find the first non-space and non-number + size_t pos = period.find_first_not_of("0123456789 ", 0); + if (pos != std::string::npos) + { + std::string units = period.substr(pos, 3); + if (StringUtils::EqualsNoCase(units, "wee")) + days *= 7; + else if (StringUtils::EqualsNoCase(units, "mon")) + days *= 31; + } + + SetDateTimeSpan(days, 0, 0, 0); +} + +///////////////////////////////////////////////// +// +// CDateTime +// + +CDateTime::CDateTime() +{ + Reset(); +} + +CDateTime::CDateTime(const SYSTEMTIME &time) +{ + // we store internally as a FILETIME + m_state = ToFileTime(time, m_time) ? valid : invalid; +} + +CDateTime::CDateTime(const FILETIME &time) +{ + m_time=time; + SetValid(true); +} + +CDateTime::CDateTime(const CDateTime& time) +{ + m_time=time.m_time; + m_state=time.m_state; +} + +CDateTime::CDateTime(const time_t& time) +{ + m_state = ToFileTime(time, m_time) ? valid : invalid; +} + +CDateTime::CDateTime(const tm& time) +{ + m_state = ToFileTime(time, m_time) ? valid : invalid; +} + +CDateTime::CDateTime(int year, int month, int day, int hour, int minute, int second) +{ + SetDateTime(year, month, day, hour, minute, second); +} + +CDateTime CDateTime::GetCurrentDateTime() +{ + // get the current time + SYSTEMTIME time; + GetLocalTime(&time); + + return CDateTime(time); +} + +CDateTime CDateTime::GetUTCDateTime() +{ + CDateTime time(GetCurrentDateTime()); + time += GetTimezoneBias(); + return time; +} + +const CDateTime& CDateTime::operator =(const SYSTEMTIME& right) +{ + m_state = ToFileTime(right, m_time) ? valid : invalid; + + return *this; +} + +const CDateTime& CDateTime::operator =(const FILETIME& right) +{ + m_time=right; + SetValid(true); + + return *this; +} + +const CDateTime& CDateTime::operator =(const time_t& right) +{ + m_state = ToFileTime(right, m_time) ? valid : invalid; + + return *this; +} + +const CDateTime& CDateTime::operator =(const tm& right) +{ + m_state = ToFileTime(right, m_time) ? valid : invalid; + + return *this; +} + +bool CDateTime::operator >(const CDateTime& right) const +{ + return operator >(right.m_time); +} + +bool CDateTime::operator >=(const CDateTime& right) const +{ + return operator >(right) || operator ==(right); +} + +bool CDateTime::operator <(const CDateTime& right) const +{ + return operator <(right.m_time); +} + +bool CDateTime::operator <=(const CDateTime& right) const +{ + return operator <(right) || operator ==(right); +} + +bool CDateTime::operator ==(const CDateTime& right) const +{ + return operator ==(right.m_time); +} + +bool CDateTime::operator !=(const CDateTime& right) const +{ + return !operator ==(right); +} + +bool CDateTime::operator >(const FILETIME& right) const +{ + return CompareFileTime(&m_time, &right)>0; +} + +bool CDateTime::operator >=(const FILETIME& right) const +{ + return operator >(right) || operator ==(right); +} + +bool CDateTime::operator <(const FILETIME& right) const +{ + return CompareFileTime(&m_time, &right)<0; +} + +bool CDateTime::operator <=(const FILETIME& right) const +{ + return operator <(right) || operator ==(right); +} + +bool CDateTime::operator ==(const FILETIME& right) const +{ + return CompareFileTime(&m_time, &right)==0; +} + +bool CDateTime::operator !=(const FILETIME& right) const +{ + return !operator ==(right); +} + +bool CDateTime::operator >(const SYSTEMTIME& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator >(time); +} + +bool CDateTime::operator >=(const SYSTEMTIME& right) const +{ + return operator >(right) || operator ==(right); +} + +bool CDateTime::operator <(const SYSTEMTIME& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator <(time); +} + +bool CDateTime::operator <=(const SYSTEMTIME& right) const +{ + return operator <(right) || operator ==(right); +} + +bool CDateTime::operator ==(const SYSTEMTIME& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator ==(time); +} + +bool CDateTime::operator !=(const SYSTEMTIME& right) const +{ + return !operator ==(right); +} + +bool CDateTime::operator >(const time_t& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator >(time); +} + +bool CDateTime::operator >=(const time_t& right) const +{ + return operator >(right) || operator ==(right); +} + +bool CDateTime::operator <(const time_t& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator <(time); +} + +bool CDateTime::operator <=(const time_t& right) const +{ + return operator <(right) || operator ==(right); +} + +bool CDateTime::operator ==(const time_t& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator ==(time); +} + +bool CDateTime::operator !=(const time_t& right) const +{ + return !operator ==(right); +} + +bool CDateTime::operator >(const tm& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator >(time); +} + +bool CDateTime::operator >=(const tm& right) const +{ + return operator >(right) || operator ==(right); +} + +bool CDateTime::operator <(const tm& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator <(time); +} + +bool CDateTime::operator <=(const tm& right) const +{ + return operator <(right) || operator ==(right); +} + +bool CDateTime::operator ==(const tm& right) const +{ + FILETIME time; + ToFileTime(right, time); + + return operator ==(time); +} + +bool CDateTime::operator !=(const tm& right) const +{ + return !operator ==(right); +} + +CDateTime CDateTime::operator +(const CDateTimeSpan& right) const +{ + CDateTime left(*this); + + ULARGE_INTEGER timeLeft; + left.ToULargeInt(timeLeft); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeLeft.QuadPart+=timeRight.QuadPart; + + left.FromULargeInt(timeLeft); + + return left; +} + +CDateTime CDateTime::operator -(const CDateTimeSpan& right) const +{ + CDateTime left(*this); + + ULARGE_INTEGER timeLeft; + left.ToULargeInt(timeLeft); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeLeft.QuadPart-=timeRight.QuadPart; + + left.FromULargeInt(timeLeft); + + return left; +} + +const CDateTime& CDateTime::operator +=(const CDateTimeSpan& right) +{ + ULARGE_INTEGER timeThis; + ToULargeInt(timeThis); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeThis.QuadPart+=timeRight.QuadPart; + + FromULargeInt(timeThis); + + return *this; +} + +const CDateTime& CDateTime::operator -=(const CDateTimeSpan& right) +{ + ULARGE_INTEGER timeThis; + ToULargeInt(timeThis); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeThis.QuadPart-=timeRight.QuadPart; + + FromULargeInt(timeThis); + + return *this; +} + +CDateTimeSpan CDateTime::operator -(const CDateTime& right) const +{ + CDateTimeSpan left; + + ULARGE_INTEGER timeLeft; + left.ToULargeInt(timeLeft); + + ULARGE_INTEGER timeThis; + ToULargeInt(timeThis); + + ULARGE_INTEGER timeRight; + right.ToULargeInt(timeRight); + + timeLeft.QuadPart=timeThis.QuadPart-timeRight.QuadPart; + + left.FromULargeInt(timeLeft); + + return left; +} + +CDateTime::operator FILETIME() const +{ + return m_time; +} + +void CDateTime::Archive(CArchive& ar) +{ + if (ar.IsStoring()) + { + ar<<(int)m_state; + if (m_state==valid) + { + SYSTEMTIME st; + GetAsSystemTime(st); + ar<<st; + } + } + else + { + Reset(); + int state; + ar >> (int &)state; + m_state = CDateTime::STATE(state); + if (m_state==valid) + { + SYSTEMTIME st; + ar>>st; + ToFileTime(st, m_time); + } + } +} + +void CDateTime::Reset() +{ + SetDateTime(1601, 1, 1, 0, 0, 0); + SetValid(false); +} + +void CDateTime::SetValid(bool yesNo) +{ + m_state=yesNo ? valid : invalid; +} + +bool CDateTime::IsValid() const +{ + return m_state==valid; +} + +bool CDateTime::ToFileTime(const SYSTEMTIME& time, FILETIME& fileTime) const +{ + return SystemTimeToFileTime(&time, &fileTime) == TRUE && + (fileTime.dwLowDateTime > 0 || fileTime.dwHighDateTime > 0); +} + +bool CDateTime::ToFileTime(const time_t& time, FILETIME& fileTime) const +{ + LONGLONG ll = Int32x32To64(time, 10000000)+0x19DB1DED53E8000LL; + + fileTime.dwLowDateTime = (DWORD)(ll & 0xFFFFFFFF); + fileTime.dwHighDateTime = (DWORD)(ll >> 32); + + return true; +} + +bool CDateTime::ToFileTime(const tm& time, FILETIME& fileTime) const +{ + SYSTEMTIME st; + ZeroMemory(&st, sizeof(SYSTEMTIME)); + + st.wYear=time.tm_year+1900; + st.wMonth=time.tm_mon+1; + st.wDayOfWeek=time.tm_wday; + st.wDay=time.tm_mday; + st.wHour=time.tm_hour; + st.wMinute=time.tm_min; + st.wSecond=time.tm_sec; + + return SystemTimeToFileTime(&st, &fileTime)==TRUE; +} + +void CDateTime::ToULargeInt(ULARGE_INTEGER& time) const +{ + time.u.HighPart=m_time.dwHighDateTime; + time.u.LowPart=m_time.dwLowDateTime; +} + +void CDateTime::FromULargeInt(const ULARGE_INTEGER& time) +{ + m_time.dwHighDateTime=time.u.HighPart; + m_time.dwLowDateTime=time.u.LowPart; +} + +bool CDateTime::SetFromDateString(const std::string &date) +{ + /* TODO:STRING_CLEANUP */ + if (date.empty()) + { + SetValid(false); + return false; + } + + if (SetFromDBDate(date)) + return true; + + const char* months[] = {"january","february","march","april","may","june","july","august","september","october","november","december",NULL}; + int j=0; + size_t iDayPos = date.find("day"); + size_t iPos = date.find(' '); + if (iDayPos < iPos && iDayPos != std::string::npos) + { + iDayPos = iPos + 1; + iPos = date.find(' ', iPos+1); + } + else + iDayPos = 0; + + std::string strMonth = date.substr(iDayPos, iPos - iDayPos); + if (strMonth.empty()) + return false; + + size_t iPos2 = date.find(","); + std::string strDay = (date.size() >= iPos) ? date.substr(iPos, iPos2-iPos) : ""; + std::string strYear = date.substr(date.find(' ', iPos2) + 1); + while (months[j] && stricmp(strMonth.c_str(),months[j]) != 0) + j++; + if (!months[j]) + return false; + + return SetDateTime(atol(strYear.c_str()),j+1,atol(strDay.c_str()),0,0,0); +} + +int CDateTime::GetDay() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return st.wDay; +} + +int CDateTime::GetMonth() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return st.wMonth; +} + +int CDateTime::GetYear() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return st.wYear; +} + +int CDateTime::GetHour() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return st.wHour; +} + +int CDateTime::GetMinute() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return st.wMinute; +} + +int CDateTime::GetSecond() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return st.wSecond; +} + +int CDateTime::GetDayOfWeek() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return st.wDayOfWeek; +} + +int CDateTime::GetMinuteOfDay() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + return st.wHour*60+st.wMinute; +} + +bool CDateTime::SetDateTime(int year, int month, int day, int hour, int minute, int second) +{ + SYSTEMTIME st; + ZeroMemory(&st, sizeof(SYSTEMTIME)); + + st.wYear=year; + st.wMonth=month; + st.wDay=day; + st.wHour=hour; + st.wMinute=minute; + st.wSecond=second; + + m_state = ToFileTime(st, m_time) ? valid : invalid; + return m_state == valid; +} + +bool CDateTime::SetDate(int year, int month, int day) +{ + return SetDateTime(year, month, day, 0, 0, 0); +} + +bool CDateTime::SetTime(int hour, int minute, int second) +{ + // 01.01.1601 00:00:00 is 0 as filetime + return SetDateTime(1601, 1, 1, hour, minute, second); +} + +void CDateTime::GetAsSystemTime(SYSTEMTIME& time) const +{ + FileTimeToSystemTime(&m_time, &time); +} + +#define UNIX_BASE_TIME 116444736000000000LL /* nanoseconds since epoch */ +void CDateTime::GetAsTime(time_t& time) const +{ + LONGLONG ll; + ll = ((LONGLONG)m_time.dwHighDateTime << 32) + m_time.dwLowDateTime; + time=(time_t)((ll - UNIX_BASE_TIME) / 10000000); +} + +void CDateTime::GetAsTm(tm& time) const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + time.tm_year=st.wYear-1900; + time.tm_mon=st.wMonth-1; + time.tm_wday=st.wDayOfWeek; + time.tm_mday=st.wDay; + time.tm_hour=st.wHour; + time.tm_min=st.wMinute; + time.tm_sec=st.wSecond; + + mktime(&time); +} + +void CDateTime::GetAsTimeStamp(FILETIME& time) const +{ + ::LocalFileTimeToFileTime(&m_time, &time); +} + +std::string CDateTime::GetAsDBDate() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return StringUtils::Format("%04i-%02i-%02i", st.wYear, st.wMonth, st.wDay); +} + +std::string CDateTime::GetAsDBDateTime() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return StringUtils::Format("%04i-%02i-%02i %02i:%02i:%02i", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond); +} + +std::string CDateTime::GetAsSaveString() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return StringUtils::Format("%04i%02i%02i_%02i%02i%02i", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond);; +} + +bool CDateTime::SetFromUTCDateTime(const CDateTime &dateTime) +{ + CDateTime tmp(dateTime); + tmp -= GetTimezoneBias(); + + m_time = tmp.m_time; + m_state = tmp.m_state; + return m_state == valid; +} + +static bool bGotTimezoneBias = false; + +void CDateTime::ResetTimezoneBias(void) +{ + bGotTimezoneBias = false; +} + +CDateTimeSpan CDateTime::GetTimezoneBias(void) +{ + static CDateTimeSpan timezoneBias; + + if (!bGotTimezoneBias) + { + bGotTimezoneBias = true; + TIME_ZONE_INFORMATION tz; + switch(GetTimeZoneInformation(&tz)) + { + case TIME_ZONE_ID_DAYLIGHT: + timezoneBias = CDateTimeSpan(0, 0, tz.Bias + tz.DaylightBias, 0); + break; + case TIME_ZONE_ID_STANDARD: + timezoneBias = CDateTimeSpan(0, 0, tz.Bias + tz.StandardBias, 0); + break; + case TIME_ZONE_ID_UNKNOWN: + timezoneBias = CDateTimeSpan(0, 0, tz.Bias, 0); + break; + } + } + + return timezoneBias; +} + +bool CDateTime::SetFromUTCDateTime(const time_t &dateTime) +{ + CDateTime tmp(dateTime); + return SetFromUTCDateTime(tmp); +} + +bool CDateTime::SetFromW3CDate(const std::string &dateTime) +{ + std::string date; + + size_t posT = dateTime.find("T"); + if(posT != std::string::npos) + date = dateTime.substr(0, posT); + else + date = dateTime; + + int year = 0, month = 1, day = 1; + + if (date.size() >= 4) + year = atoi(date.substr(0, 4).c_str()); + + if (date.size() >= 10) + { + month = atoi(date.substr(5, 2).c_str()); + day = atoi(date.substr(8, 2).c_str()); + } + + CDateTime tmpDateTime(year, month, day, 0, 0, 0); + if (tmpDateTime.IsValid()) + *this = tmpDateTime; + + return IsValid(); +} + +bool CDateTime::SetFromW3CDateTime(const std::string &dateTime, bool ignoreTimezone /* = false */) +{ + std::string date, time, zone; + + size_t posT = dateTime.find("T"); + if(posT != std::string::npos) + { + date = dateTime.substr(0, posT); + std::string::size_type posZ = dateTime.find_first_of("+-Z", posT); + if(posZ == std::string::npos) + time = dateTime.substr(posT + 1); + else + { + time = dateTime.substr(posT + 1, posZ - posT - 1); + zone = dateTime.substr(posZ); + } + } + else + date = dateTime; + + int year = 0, month = 1, day = 1, hour = 0, min = 0, sec = 0; + + if (date.size() >= 4) + year = atoi(date.substr(0, 4).c_str()); + + if (date.size() >= 10) + { + month = atoi(date.substr(5, 2).c_str()); + day = atoi(date.substr(8, 2).c_str()); + } + + if (time.length() >= 5) + { + hour = atoi(time.substr(0, 2).c_str()); + min = atoi(time.substr(3, 2).c_str()); + } + + if (time.length() >= 8) + sec = atoi(time.substr(6, 2).c_str()); + + CDateTime tmpDateTime(year, month, day, hour, min, sec); + if (!tmpDateTime.IsValid()) + return false; + + if (!ignoreTimezone && !zone.empty()) + { + // check if the timezone is UTC + if (StringUtils::StartsWith(zone, "Z")) + return SetFromUTCDateTime(tmpDateTime); + else + { + // retrieve the timezone offset (ignoring the + or -) + CDateTimeSpan zoneSpan; zoneSpan.SetFromTimeString(zone.substr(1)); + if (zoneSpan.GetSecondsTotal() != 0) + { + if (StringUtils::StartsWith(zone, "+")) + tmpDateTime += zoneSpan; + else if (StringUtils::StartsWith(zone, "-")) + tmpDateTime -= zoneSpan; + } + } + } + + *this = tmpDateTime; + return IsValid(); +} + +bool CDateTime::SetFromDBDateTime(const std::string &dateTime) +{ + // assumes format YYYY-MM-DD HH:MM:SS + if (dateTime.size() == 19) + { + int year = atoi(dateTime.substr(0, 4).c_str()); + int month = atoi(dateTime.substr(5, 2).c_str()); + int day = atoi(dateTime.substr(8, 2).c_str()); + int hour = atoi(dateTime.substr(11, 2).c_str()); + int min = atoi(dateTime.substr(14, 2).c_str()); + int sec = atoi(dateTime.substr(17, 2).c_str()); + return SetDateTime(year, month, day, hour, min, sec); + } + return false; +} + +bool CDateTime::SetFromDBDate(const std::string &date) +{ + if (date.size() < 10) + return false; + // assumes format: + // YYYY-MM-DD or DD-MM-YYYY + const static std::string sep_chars = "-./"; + int year = 0, month = 0, day = 0; + if (sep_chars.find(date[2]) != std::string::npos) + { + day = atoi(date.substr(0, 2).c_str()); + month = atoi(date.substr(3, 2).c_str()); + year = atoi(date.substr(6, 4).c_str()); + } + else if (sep_chars.find(date[4]) != std::string::npos) + { + year = atoi(date.substr(0, 4).c_str()); + month = atoi(date.substr(5, 2).c_str()); + day = atoi(date.substr(8, 2).c_str()); + } + return SetDate(year, month, day); +} + +bool CDateTime::SetFromDBTime(const std::string &time) +{ + if (time.size() < 8) + return false; + // assumes format: + // HH:MM:SS + int hour, minute, second; + + hour = atoi(time.substr(0, 2).c_str()); + minute = atoi(time.substr(3, 2).c_str()); + second = atoi(time.substr(6, 2).c_str()); + + return SetTime(hour, minute, second); +} + +bool CDateTime::SetFromRFC1123DateTime(const std::string &dateTime) +{ + std::string date = dateTime; + StringUtils::Trim(date); + + if (date.size() != 29) + return false; + + int day = strtol(date.substr(5, 2).c_str(), NULL, 10); + + std::string strMonth = date.substr(8, 3); + int month = 0; + for (unsigned int index = 0; index < 12; index++) + { + if (strMonth == MONTH_NAMES[index]) + { + month = index + 1; + break; + } + } + + if (month < 1) + return false; + + int year = strtol(date.substr(12, 4).c_str(), NULL, 10); + int hour = strtol(date.substr(17, 2).c_str(), NULL, 10); + int min = strtol(date.substr(20, 2).c_str(), NULL, 10); + int sec = strtol(date.substr(23, 2).c_str(), NULL, 10); + + return SetDateTime(year, month, day, hour, min, sec); +} + +std::string CDateTime::GetAsLocalizedTime(const std::string &format, bool withSeconds) const +{ + std::string strOut; + const std::string& strFormat = format.empty() ? g_langInfo.GetTimeFormat() : format; + + SYSTEMTIME dateTime; + GetAsSystemTime(dateTime); + + // Prefetch meridiem symbol + const std::string& strMeridiem=g_langInfo.GetMeridiemSymbol(dateTime.wHour > 11 ? CLangInfo::MERIDIEM_SYMBOL_PM : CLangInfo::MERIDIEM_SYMBOL_AM); + + size_t length = strFormat.size(); + for (size_t i=0; i < length; ++i) + { + char c=strFormat[i]; + if (c=='\'') + { + // To be able to display a "'" in the string, + // find the last "'" that doesn't follow a "'" + size_t pos=i + 1; + while(((pos = strFormat.find(c, pos + 1)) != std::string::npos && + pos<strFormat.size()) && strFormat[pos+1]=='\'') {} + + std::string strPart; + if (pos != std::string::npos) + { + // Extract string between ' ' + strPart=strFormat.substr(i + 1, pos - i - 1); + i=pos; + } + else + { + strPart=strFormat.substr(i + 1, length - i - 1); + i=length; + } + + StringUtils::Replace(strPart, "''", "'"); + + strOut+=strPart; + } + else if (c=='h' || c=='H') // parse hour (H="24 hour clock") + { + int partLength=0; + + int pos=strFormat.find_first_not_of(c,i+1); + if (pos>-1) + { + // Get length of the hour mask, eg. HH + partLength=pos-i; + i=pos-1; + } + else + { + // mask ends at the end of the string, extract it + partLength=length-i; + i=length; + } + + int hour=dateTime.wHour; + if (c=='h') + { // recalc to 12 hour clock + if (hour > 11) + hour -= (12 * (hour > 12)); + else + hour += (12 * (hour < 1)); + } + + // Format hour string with the length of the mask + std::string str; + if (partLength==1) + str = StringUtils::Format("%d", hour); + else + str = StringUtils::Format("%02d", hour); + + strOut+=str; + } + else if (c=='m') // parse minutes + { + int partLength=0; + + int pos=strFormat.find_first_not_of(c,i+1); + if (pos>-1) + { + // Get length of the minute mask, eg. mm + partLength=pos-i; + i=pos-1; + } + else + { + // mask ends at the end of the string, extract it + partLength=length-i; + i=length; + } + + // Format minute string with the length of the mask + std::string str; + if (partLength==1) + str = StringUtils::Format("%d", dateTime.wMinute); + else + str = StringUtils::Format("%02d", dateTime.wMinute); + + strOut+=str; + } + else if (c=='s') // parse seconds + { + int partLength=0; + + int pos=strFormat.find_first_not_of(c,i+1); + if (pos>-1) + { + // Get length of the seconds mask, eg. ss + partLength=pos-i; + i=pos-1; + } + else + { + // mask ends at the end of the string, extract it + partLength=length-i; + i=length; + } + + if (withSeconds) + { + // Format seconds string with the length of the mask + std::string str; + if (partLength==1) + str = StringUtils::Format("%d", dateTime.wSecond); + else + str = StringUtils::Format("%02d", dateTime.wSecond); + + strOut+=str; + } + else + strOut.erase(strOut.size()-1,1); + } + else if (c=='x') // add meridiem symbol + { + int pos=strFormat.find_first_not_of(c,i+1); + if (pos>-1) + { + // Get length of the meridiem mask + i=pos-1; + } + else + { + // mask ends at the end of the string, extract it + i=length; + } + + strOut+=strMeridiem; + } + else // everything else pass to output + strOut+=c; + } + + return strOut; +} + +std::string CDateTime::GetAsLocalizedDate(bool longDate/*=false*/, bool withShortNames/*=true*/) const +{ + return GetAsLocalizedDate(g_langInfo.GetDateFormat(longDate), withShortNames); +} + +std::string CDateTime::GetAsLocalizedDate(const std::string &strFormat, bool withShortNames/*=true*/) const +{ + std::string strOut; + + SYSTEMTIME dateTime; + GetAsSystemTime(dateTime); + + size_t length = strFormat.size(); + for (size_t i = 0; i < length; ++i) + { + char c=strFormat[i]; + if (c=='\'') + { + // To be able to display a "'" in the string, + // find the last "'" that doesn't follow a "'" + size_t pos = i + 1; + while(((pos = strFormat.find(c, pos + 1)) != std::string::npos && + pos < strFormat.size()) && + strFormat[pos + 1] == '\'') {} + + std::string strPart; + if (pos != std::string::npos) + { + // Extract string between ' ' + strPart = strFormat.substr(i + 1, pos - i - 1); + i = pos; + } + else + { + strPart = strFormat.substr(i + 1, length - i - 1); + i = length; + } + StringUtils::Replace(strPart, "''", "'"); + strOut+=strPart; + } + else if (c=='D' || c=='d') // parse days + { + size_t partLength=0; + + size_t pos = strFormat.find_first_not_of(c, i+1); + if (pos != std::string::npos) + { + // Get length of the day mask, eg. DDDD + partLength=pos-i; + i=pos-1; + } + else + { + // mask ends at the end of the string, extract it + partLength=length-i; + i=length; + } + + // Format string with the length of the mask + std::string str; + if (partLength==1) // single-digit number + str = StringUtils::Format("%d", dateTime.wDay); + else if (partLength==2) // two-digit number + str = StringUtils::Format("%02d", dateTime.wDay); + else // Day of week string + { + int wday = dateTime.wDayOfWeek; + if (wday < 1 || wday > 7) wday = 7; + str = g_localizeStrings.Get(((withShortNames || c =='d') ? 40 : 10) + wday); + } + strOut+=str; + } + else if (c=='M' || c=='m') // parse month + { + size_t partLength=0; + + size_t pos=strFormat.find_first_not_of(c,i+1); + if (pos != std::string::npos) + { + // Get length of the month mask, eg. MMMM + partLength=pos-i; + i=pos-1; + } + else + { + // mask ends at the end of the string, extract it + partLength=length-i; + i=length; + } + + // Format string with the length of the mask + std::string str; + if (partLength==1) // single-digit number + str = StringUtils::Format("%d", dateTime.wMonth); + else if (partLength==2) // two-digit number + str = StringUtils::Format("%02d", dateTime.wMonth); + else // Month string + { + int wmonth = dateTime.wMonth; + if (wmonth < 1 || wmonth > 12) wmonth = 12; + str = g_localizeStrings.Get(((withShortNames || c =='m') ? 50 : 20) + wmonth); + } + strOut+=str; + } + else if (c=='Y' || c =='y') // parse year + { + size_t partLength = 0; + + size_t pos = strFormat.find_first_not_of(c,i+1); + if (pos != std::string::npos) + { + // Get length of the year mask, eg. YYYY + partLength=pos-i; + i=pos-1; + } + else + { + // mask ends at the end of the string, extract it + partLength=length-i; + i=length; + } + + // Format string with the length of the mask + std::string str = StringUtils::Format("%d", dateTime.wYear); // four-digit number + if (partLength <= 2) + str.erase(0, 2); // two-digit number + + strOut+=str; + } + else // everything else pass to output + strOut+=c; + } + + return strOut; +} + +std::string CDateTime::GetAsLocalizedDateTime(bool longDate/*=false*/, bool withSeconds/*=true*/) const +{ + return GetAsLocalizedDate(longDate) + ' ' + GetAsLocalizedTime("", withSeconds); +} + +CDateTime CDateTime::GetAsUTCDateTime() const +{ + CDateTime time(m_time); + time += GetTimezoneBias(); + return time; +} + +std::string CDateTime::GetAsRFC1123DateTime() const +{ + CDateTime time(GetAsUTCDateTime()); + + int weekDay = time.GetDayOfWeek(); + if (weekDay < 0) + weekDay = 0; + else if (weekDay > 6) + weekDay = 6; + if (weekDay != time.GetDayOfWeek()) + CLog::Log(LOGWARNING, "Invalid day of week %d in %s", time.GetDayOfWeek(), time.GetAsDBDateTime().c_str()); + + int month = time.GetMonth(); + if (month < 1) + month = 1; + else if (month > 12) + month = 12; + if (month != time.GetMonth()) + CLog::Log(LOGWARNING, "Invalid month %d in %s", time.GetMonth(), time.GetAsDBDateTime().c_str()); + + return StringUtils::Format("%s, %02i %s %04i %02i:%02i:%02i GMT", DAY_NAMES[weekDay], time.GetDay(), MONTH_NAMES[month - 1], time.GetYear(), time.GetHour(), time.GetMinute(), time.GetSecond()); +} + +std::string CDateTime::GetAsW3CDate() const +{ + SYSTEMTIME st; + GetAsSystemTime(st); + + return StringUtils::Format("%04i-%02i-%02i", st.wYear, st.wMonth, st.wDay); +} + +std::string CDateTime::GetAsW3CDateTime(bool asUtc /* = false */) const +{ + CDateTime w3cDate = *this; + if (asUtc) + w3cDate = GetAsUTCDateTime(); + SYSTEMTIME st; + w3cDate.GetAsSystemTime(st); + + std::string result = StringUtils::Format("%04i-%02i-%02iT%02i:%02i:%02i", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond); + if (asUtc) + return result + "Z"; + + CDateTimeSpan bias = GetTimezoneBias(); + return result + StringUtils::Format("%c%02i:%02i", (bias.GetSecondsTotal() >= 0 ? '+' : '-'), abs(bias.GetHours()), abs(bias.GetMinutes())).c_str(); +} + +int CDateTime::MonthStringToMonthNum(const std::string& month) +{ + const char* months[] = {"january","february","march","april","may","june","july","august","september","october","november","december"}; + const char* abr_months[] = {"jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec"}; + + int i = 0; + for (; i < 12 && !StringUtils::EqualsNoCase(month, months[i]) && !StringUtils::EqualsNoCase(month, abr_months[i]); i++); + i++; + + return i; +} |