source: trunk/src/xmlpatterns/data/qabstractduration.cpp@ 561

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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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#include <QStringList>

#include "qbuiltintypes_p.h"
#include "qpatternistlocale_p.h"
#include "qvalidationerror_p.h"

#include "qabstractduration_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

AbstractDuration::AbstractDuration(const bool isPos) : m_isPositive(isPos)
{
}

#define error(msg) return ValidationError::createError(msg);
#define getCapt(sym)        ((captTable.sym == -1) ? QString() : capts.at(captTable.sym))

AtomicValue::Ptr AbstractDuration::create(const CaptureTable &captTable,
                                          const QString &lexical,
                                          bool *isPositive,
                                          YearProperty *years,
                                          MonthProperty *months,
                                          DayCountProperty *days,
                                          HourProperty *hours,
                                          MinuteProperty *minutes,
                                          SecondProperty *seconds,
                                          MSecondProperty *mseconds)
{
    /* We don't directly write into the arguments(eg @p years) but uses these
     * because the arguments are intended for normalized values, and therefore
     * can cause overflows. */
    MonthCountProperty monthCount = 0;
    MinuteCountProperty minCount = 0;
    HourCountProperty hourCount = 0;
    SecondCountProperty secCount = 0;

    Q_ASSERT(isPositive);
    QRegExp myExp(captTable.regExp); /* Copy, in order to stay thread safe. */

    if(!myExp.exactMatch(lexical))
    {
        error(QString());
    }

    const QStringList capts(myExp.capturedTexts());


    if(days)
    {
        if(getCapt(tDelimiter).isEmpty())
        {
            if((years && getCapt(year).isEmpty() && getCapt(month).isEmpty() && getCapt(day).isEmpty())
                ||
               (!years && getCapt(day).isEmpty()))
            {
                error(QtXmlPatterns::tr("At least one component must be present."));
            }
        }
        else if(getCapt(hour).isEmpty() &&
                getCapt(minutes).isEmpty() &&
                getCapt(seconds).isEmpty() &&
                getCapt(mseconds).isEmpty())
        {
            error(QtXmlPatterns::tr("At least one time component must appear "
                                    "after the %1-delimiter.")
                                    .arg(formatKeyword("T")));
        }
    }
    else if(getCapt(year).isEmpty() && getCapt(month).isEmpty()) /* This checks xs:yearMonthDuration. */
    {
        error(QtXmlPatterns::tr("At least one component must be present."));
    }

    /* If we got no '-', we are positive. */
    *isPositive = capts.at(1).isEmpty();

    if(days)
    {