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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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| ** Alternatively, this file may be used under the terms of the GNU |
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| |
| #include "qabstractdatetime_p.h" |
| #include "qcontextfns_p.h" |
| #include "qdate_p.h" |
| #include "qschemadatetime_p.h" |
| #include "qdaytimeduration_p.h" |
| #include "qpatternistlocale_p.h" |
| #include "qschematime_p.h" |
| |
| #include "qtimezonefns_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QPatternist; |
| |
| Item AdjustTimezone::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| enum |
| { |
| /** |
| * The maximum zone offset, @c PT14H, in milli seconds. |
| */ |
| MSecLimit = 14 * 60/*M*/ * 60/*S*/ * 1000/*ms*/ |
| }; |
| |
| |
| const Item arg(m_operands.first()->evaluateSingleton(context)); |
| if(!arg) |
| return Item(); |
| |
| QDateTime dt(arg.as<AbstractDateTime>()->toDateTime()); |
| // TODO DT dt.setDateOnly(false); |
| Q_ASSERT(dt.isValid()); |
| DayTimeDuration::Ptr tz; |
| |
| if(m_operands.count() == 2) |
| tz = DayTimeDuration::Ptr(m_operands.at(1)->evaluateSingleton(context).as<DayTimeDuration>()); |
| else |
| tz = context->implicitTimezone(); |
| |
| if(tz) |
| { |
| const MSecondCountProperty tzMSecs = tz->value(); |
| |
| if(tzMSecs % (1000 * 60) != 0) |
| { |
| context->error(QtXmlPatterns::tr("A zone offset must be in the " |
| "range %1..%2 inclusive. %3 is " |
| "out of range.") |
| .arg(formatData("-PT14H")) |
| .arg(formatData("PT14H")) |
| .arg(formatData(tz->stringValue())), |
| ReportContext::FODT0003, this); |
| return Item(); |
| } |
| else if(tzMSecs > MSecLimit || |
| tzMSecs < -MSecLimit) |
| { |
| context->error(QtXmlPatterns::tr("%1 is not a whole number of minutes.") |
| .arg(formatData(tz->stringValue())), |
| ReportContext::FODT0003, this); |
| return Item(); |
| } |
| |
| const SecondCountProperty tzSecs = tzMSecs / 1000; |
| |
| if(dt.timeSpec() == Qt::LocalTime) /* $arg has no time zone. */ |
| { |
| /* "If $arg does not have a timezone component and $timezone is not |
| * the empty sequence, then the result is $arg with $timezone as |
| * the timezone component." */ |
| //dt.setTimeSpec(QDateTime::Spec(QDateTime::OffsetFromUTC, tzSecs)); |
| dt.setOffsetFromUtc(tzSecs); |
| Q_ASSERT(dt.isValid()); |
| return createValue(dt); |
| } |
| else |
| { |
| /* "If $arg has a timezone component and $timezone is not the empty sequence, |
| * then the result is an xs:dateTime value with a timezone component of |
| * $timezone that is equal to $arg." */ |
| dt = dt.toUTC(); |
| dt = dt.addSecs(tzSecs); |
| //dt.setTimeSpec(QDateTime::Spec(QDateTime::OffsetFromUTC, tzSecs)); |
| dt.setOffsetFromUtc(tzSecs); |
| Q_ASSERT(dt.isValid()); |
| return createValue(dt); |
| } |
| } |
| else |
| { /* $timezone is the empty sequence. */ |
| if(dt.timeSpec() == Qt::LocalTime) /* $arg has no time zone. */ |
| { |
| /* "If $arg does not have a timezone component and $timezone is |
| * the empty sequence, then the result is $arg." */ |
| return arg; |
| } |
| else |
| { |
| /* "If $arg has a timezone component and $timezone is the empty sequence, |
| * then the result is the localized value of $arg without its timezone component." */ |
| dt.setTimeSpec(Qt::LocalTime); |
| return createValue(dt); |
| } |
| } |
| } |
| |
| Item AdjustDateTimeToTimezoneFN::createValue(const QDateTime &dt) const |
| { |
| Q_ASSERT(dt.isValid()); |
| return DateTime::fromDateTime(dt); |
| } |
| |
| Item AdjustDateToTimezoneFN::createValue(const QDateTime &dt) const |
| { |
| Q_ASSERT(dt.isValid()); |
| return Date::fromDateTime(dt); |
| } |
| |
| Item AdjustTimeToTimezoneFN::createValue(const QDateTime &dt) const |
| { |
| Q_ASSERT(dt.isValid()); |
| return SchemaTime::fromDateTime(dt); |
| } |
| |
| QT_END_NAMESPACE |