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C++ Ptr::implicitTimezone方法代码示例

本文整理汇总了C++中dynamiccontext::Ptr::implicitTimezone方法的典型用法代码示例。如果您正苦于以下问题:C++ Ptr::implicitTimezone方法的具体用法?C++ Ptr::implicitTimezone怎么用?C++ Ptr::implicitTimezone使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在dynamiccontext::Ptr的用法示例。


在下文中一共展示了Ptr::implicitTimezone方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: evaluateSingleton

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.setUtcOffset(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.setUtcOffset(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);
        }
    }
}
开发者ID:Akheon23,项目名称:chromecast-mirrored-source.vendor,代码行数:91,代码来源:qtimezonefns.cpp

示例2: evaluateSingleton

Item ImplicitTimezoneFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
    return toItem(context->implicitTimezone());
}
开发者ID:,项目名称:,代码行数:4,代码来源:


注:本文中的dynamiccontext::Ptr::implicitTimezone方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。