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
|
/****************************************************************************
**
** 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 "qboolean_p.h"
#include "qgenericsequencetype_p.h"
#include "qrangevariablereference_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
RangeVariableReference::RangeVariableReference(const Expression::Ptr &source,
const VariableSlotID slotP) : VariableReference(slotP),
m_sourceExpression(source)
{
Q_ASSERT(source);
}
bool RangeVariableReference::evaluateEBV(const DynamicContext::Ptr &context) const
{
Q_ASSERT_X(context->rangeVariable(slot()), Q_FUNC_INFO, "The range variable must be set.");
return Boolean::evaluateEBV(context->rangeVariable(slot()), context);
}
Item RangeVariableReference::evaluateSingleton(const DynamicContext::Ptr &context) const
{
Q_ASSERT_X(context->rangeVariable(slot()), Q_FUNC_INFO, "The range variable must be set.");
return context->rangeVariable(slot());
}
SequenceType::Ptr RangeVariableReference::staticType() const
{
return makeGenericSequenceType(m_sourceExpression->staticType()->itemType(),
Cardinality::exactlyOne());
}
Expression::ID RangeVariableReference::id() const
{
return IDRangeVariableReference;
}
ExpressionVisitorResult::Ptr
RangeVariableReference::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
Expression::Properties RangeVariableReference::properties() const
{
return DependsOnLocalVariable;
}
QT_END_NAMESPACE
|
