summaryrefslogtreecommitdiffstats
path: root/src/xmlpatterns/iterators/qindexofiterator.cpp
blob: 0a72c33839eaab78017c52c74891d145287533e2 (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
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qinteger_p.h"

#include "qindexofiterator_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

IndexOfIterator::IndexOfIterator(const Item::Iterator::Ptr &seq,
                                 const Item &searchParam,
                                 const AtomicComparator::Ptr &comp,
                                 const DynamicContext::Ptr &context,
                                 const Expression::ConstPtr &expr)
                                : m_seq(seq)
                                , m_searchParam(searchParam)
                                , m_context(context)
                                , m_expr(expr)
                                , m_position(0)
                                , m_seqPos(0)
{
    Q_ASSERT(seq);
    Q_ASSERT(searchParam);
    prepareComparison(comp);
}

Item IndexOfIterator::next()
{
    if(m_position == -1)
        return Item();

    const Item item(m_seq->next());
    ++m_seqPos;

    if(!item)
    {
        m_current.reset();
        m_position = -1;
        return Item();
    }

    if(flexibleCompare(item, m_searchParam, m_context))
    {
        ++m_position;
        return Integer::fromValue(m_seqPos);
    }

    return next();
}

Item IndexOfIterator::current() const
{
    return m_current;
}

xsInteger IndexOfIterator::position() const
{
    return m_position;
}

Item::Iterator::Ptr IndexOfIterator::copy() const
{
    return Item::Iterator::Ptr(new IndexOfIterator(m_seq->copy(),
                                                   m_searchParam,
                                                   comparator(),
                                                   m_context,
                                                   m_expr));
}

const SourceLocationReflection *IndexOfIterator::actualReflection() const
{
    return m_expr.data();
}

QT_END_NAMESPACE