1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

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    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include "qatomiccomparator_p.h"

    43 #include "qcommonvalues_p.h"

    44 #include "qschemadatetime_p.h"

    45 #include "qdaytimeduration_p.h"

    46 #include "qdecimal_p.h"

    47 #include "qinteger_p.h"

    48 #include "qpatternistlocale_p.h"

    49 

    50 #include "qdatetimefn_p.h"

    51 

    52 QT_BEGIN_NAMESPACE

    53 

    54 using namespace QPatternist;

    55 

    56 Item DateTimeFN::evaluateSingleton(const DynamicContext::Ptr &context) const

    57 {

    58     const Item di(m_operands.first()->evaluateSingleton(context));

    59     if(!di)

    60         return Item();

    61 

    62     const Item ti(m_operands.last()->evaluateSingleton(context));

    63     if(!ti)

    64         return Item();

    65 

    66     QDateTime date(di.as<AbstractDateTime>()->toDateTime());

    67     Q_ASSERT(date.isValid());

    68     QDateTime time(ti.as<AbstractDateTime>()->toDateTime());

    69     Q_ASSERT(time.isValid());

    70 

    71     if(date.timeSpec() == time.timeSpec() || /* Identical timezone properties. */

    72        time.timeSpec() == Qt::LocalTime) /* time has no timezone, but date do. */

    73     {

    74         date.setTime(time.time());

    75         Q_ASSERT(date.isValid());

    76         return DateTime::fromDateTime(date);

    77     }

    78     else if(date.timeSpec() == Qt::LocalTime) /* date has no timezone, but time do. */

    79     {

    80         time.setDate(date.date());

    81         Q_ASSERT(time.isValid());

    82         return DateTime::fromDateTime(time);

    83     }

    84     else

    85     {

    86         context->error(QtXmlPatterns::tr("If both values have zone offsets, "

    87                                          "they must have the same zone offset. "

    88                                          "%1 and %2 are not the same.")

    89                        .arg(formatData(di.stringValue()),

    90                             formatData(di.stringValue())),

    91                        ReportContext::FORG0008, this);

    92         return Item(); /* Silence GCC warning. */

    93     }

    94 }

    95 

    96 QT_END_NAMESPACE