source: trunk/src/xmlpatterns/data/qabstractduration_p.h@ 437

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//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.

#ifndef Patternist_AbstractDuration_H
#define Patternist_AbstractDuration_H

#include <QRegExp>

#include "qitem_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Base class for classes implementing durations.
     *
     * @see <a href="http://www.w3.org/TR/xmlschema-2/#duration">XML Schema Part
     * 2: Datatypes Second Edition, 3.2.6 duration</a>
     * @see <a href="http://www.w3.org/TR/xpath-datamodel/#dates-and-times">XQuery
     * 1.0 and XPath 2.0 Data Model (XDM), 3.3.2 Dates and Times</a>
     * @author Frans Englich <[email protected]>
     * @ingroup Patternist_xdm
     * @todo Documentation is missing/incomplete
     */
    class AbstractDuration : public AtomicValue
    {
    public:
        typedef QExplicitlySharedDataPointer<AbstractDuration> Ptr;

        /**
         * @short The amount in milli seconds.
         */
        typedef qint64 Value;

        /**
         * @short Acts as a mapping table for AbstractDuration::create()
         * and describes where certain fields in a QRegExp pattern can be found
         * for a particular W3C XML Schema duration type.
         *
         * @author Frans Englich <[email protected]>
         * @ingroup Patternist_xdm
         */
        class CaptureTable
        {
        public:
            CaptureTable(const QRegExp &exp,
                         const qint8 yearP,
                         const qint8 monthP,
                         const qint8 dayP = -1,
                         const qint8 tDelimiterP = -1,
                         const qint8 hourP = -1,
                         const qint8 minutesP = -1,
                         const qint8 secondsP = -1,
                         const qint8 msecondsP = -1) : regExp(exp),
                                                       year(yearP),
                                                       month(monthP),
                                                       day(dayP),
                                                       tDelimiter(tDelimiterP),
                                                       hour(hourP),
                                                       minutes(minutesP),
                                                       seconds(secondsP),
                                                       mseconds(msecondsP)
            {
                Q_ASSERT(exp.isValid());
                Q_ASSERT(yearP == -1 || yearP == 2);
            }

            const QRegExp regExp;
            const qint8 year;
            const qint8 month;
            const qint8 day;
            const qint8 tDelimiter;
            const qint8 hour;
            const qint8 minutes;
            const qint8 seconds;
            const qint8 mseconds;
        };

        /**