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     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

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    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.

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    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

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

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    38 ** $QT_END_LICENSE$

    39 **

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

    41 

    42 #include <QString>

    43 

    44 #include "qatomiccomparator_p.h"

    45 

    46 QT_BEGIN_NAMESPACE

    47 

    48 using namespace QPatternist;

    49 

    50 AtomicComparator::AtomicComparator()

    51 {

    52 }

    53 

    54 AtomicComparator::~AtomicComparator()

    55 {

    56 }

    57 

    58 AtomicComparator::ComparisonResult

    59 AtomicComparator::compare(const Item &,

    60                           const AtomicComparator::Operator,

    61                           const Item &) const

    62 {

    63     Q_ASSERT_X(false, Q_FUNC_INFO, "This function should never be called.");

    64     return LessThan;

    65 }

    66 

    67 QString AtomicComparator::displayName(const AtomicComparator::Operator op,

    68                                       const ComparisonType type)

    69 {

    70     Q_ASSERT(type == AsGeneralComparison || type == AsValueComparison);

    71     if(type == AsGeneralComparison)

    72     {

    73         switch(op)

    74         {

    75             case OperatorEqual:

    76                 return QLatin1String("=");

    77             case OperatorGreaterOrEqual:

    78                 return QLatin1String("<=");

    79             case OperatorGreaterThan:

    80                 return QLatin1String("<");

    81             case OperatorLessOrEqual:

    82                 return QLatin1String(">=");

    83             case OperatorLessThanNaNLeast:

    84             /* Fallthrough. */

    85             case OperatorLessThanNaNGreatest:

    86             /* Fallthrough. */

    87             case OperatorLessThan:

    88                 return QLatin1String(">");

    89             case OperatorNotEqual:

    90                 return QLatin1String("!=");

    91         }

    92     }

    93 

    94     switch(op)

    95     {

    96         case OperatorEqual:

    97             return QLatin1String("eq");

    98         case OperatorGreaterOrEqual:

    99             return QLatin1String("ge");

   100         case OperatorGreaterThan:

   101             return QLatin1String("gt");

   102         case OperatorLessOrEqual:

   103             return QLatin1String("le");

   104         case OperatorLessThanNaNLeast:

   105         /* Fallthrough. */

   106         case OperatorLessThanNaNGreatest:

   107         /* Fallthrough. */

   108         case OperatorLessThan:

   109             return QLatin1String("lt");

   110         case OperatorNotEqual:

   111             return QLatin1String("ne");

   112     }

   113 

   114     Q_ASSERT(false);

   115     return QString(); /* GCC unbarfer. */

   116 }

   117 

   118 QT_END_NAMESPACE