summaryrefslogtreecommitdiffstats
path: root/src/xmlpatterns/data/qatomiccomparator.cpp
blob: 34395facdb8106c22e47c2d8d40ee6d0077d7589 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QString>

#include "qatomiccomparator_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

AtomicComparator::AtomicComparator()
{
}

AtomicComparator::~AtomicComparator()
{
}

AtomicComparator::ComparisonResult
AtomicComparator::compare(const Item &,
                          const AtomicComparator::Operator,
                          const Item &) const
{
    Q_ASSERT_X(false, Q_FUNC_INFO, "This function should never be called.");
    return LessThan;
}

QString AtomicComparator::displayName(const AtomicComparator::Operator op,
                                      const ComparisonType type)
{
    Q_ASSERT(type == AsGeneralComparison || type == AsValueComparison);
    if(type == AsGeneralComparison)
    {
        switch(op)
        {
            case OperatorEqual:
                return QLatin1String("=");
            case OperatorGreaterOrEqual:
                return QLatin1String("<=");
            case OperatorGreaterThan:
                return QLatin1String("<");
            case OperatorLessOrEqual:
                return QLatin1String(">=");
            case OperatorLessThanNaNLeast:
            /* Fallthrough. */
            case OperatorLessThanNaNGreatest:
            /* Fallthrough. */
            case OperatorLessThan:
                return QLatin1String(">");
            case OperatorNotEqual:
                return QLatin1String("!=");
        }
    }

    switch(op)
    {
        case OperatorEqual:
            return QLatin1String("eq");
        case OperatorGreaterOrEqual:
            return QLatin1String("ge");
        case OperatorGreaterThan:
            return QLatin1String("gt");
        case OperatorLessOrEqual:
            return QLatin1String("le");
        case OperatorLessThanNaNLeast:
        /* Fallthrough. */
        case OperatorLessThanNaNGreatest:
        /* Fallthrough. */
        case OperatorLessThan:
            return QLatin1String("lt");
        case OperatorNotEqual:
            return QLatin1String("ne");
    }

    Q_ASSERT(false);
    return QString(); /* GCC unbarfer. */
}

QT_END_NAMESPACE