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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qbuiltintypes_p.h"
#include "qitem_p.h"

#include "qdate_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

Date::Date(const QDateTime &dateTime) : AbstractDateTime(dateTime)
{
}

Date::Ptr Date::fromLexical(const QString &lexical)
{
    static const CaptureTable captureTable( // STATIC DATA
        /* The extra paranthesis is a build fix for GCC 3.3. */
        (QRegExp(QLatin1String(
                "^\\s*"                             /* Any preceding whitespace. */
                "(-?)"                              /* Any preceding minus. */
                "(\\d{4,})"                         /* The year part. */
                "-"                                 /* Delimiter. */
                "(\\d{2})"                          /* The month part. */
                "-"                                 /* Delimiter. */
                "(\\d{2})"                          /* The day part. */
                "(?:(\\+|-)(\\d{2}):(\\d{2})|(Z))?" /* The zone offset, "+08:24". */
                "\\s*$"                             /* Any terminating whitespace. */))),
        /*zoneOffsetSignP*/         5,
        /*zoneOffsetHourP*/         6,
        /*zoneOffsetMinuteP*/       7,
        /*zoneOffsetUTCSymbolP*/    8,
        /*yearP*/                   2,
        /*monthP*/                  3,
        /*dayP*/                    4,
        /*hourP*/                   -1,
        /*minutesP*/                -1,
        /*secondsP*/                -1,
        /*msecondsP*/               -1,
        /*yearSign*/                1);

    AtomicValue::Ptr err;
    const QDateTime retval(create(err, lexical, captureTable));

    return err ? err : Date::Ptr(new Date(retval));
}

Date::Ptr Date::fromDateTime(const QDateTime &date)
{
    /* Don't include the QTime; "reset" the time. */
    QDateTime result;
    copyTimeSpec(date, result);
    result.setDate(date.date());
    Q_ASSERT(date.isValid());

    return Date::Ptr(new Date(result));
}

Item Date::fromValue(const QDateTime &dt) const
{
    Q_ASSERT(dt.isValid());
    return fromDateTime(dt);
}

QString Date::stringValue() const
{
    return dateToString() + zoneOffsetToString();
}

ItemType::Ptr Date::type() const
{
    return BuiltinTypes::xsDate;
}

QT_END_NAMESPACE