source: trunk/src/xmlpatterns/functions/qaccessorfns.cpp@ 918

Last change on this file since 918 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

File size: 4.9 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
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
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "qanyuri_p.h"
43#include "qboolean_p.h"
44#include "qbuiltintypes_p.h"
45#include "qcommonvalues_p.h"
46#include "qliteral_p.h"
47#include "qitem_p.h"
48#include "qqnamevalue_p.h"
49#include "qatomicstring_p.h"
50
51#include "qaccessorfns_p.h"
52
53QT_BEGIN_NAMESPACE
54
55using namespace QPatternist;
56
57Item NodeNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
58{
59 const Item item(m_operands.first()->evaluateSingleton(context));
60
61 if(item)
62 {
63 const QXmlName name(item.asNode().name());
64
65 if(name.isNull())
66 return Item();
67 else
68 return toItem(QNameValue::fromValue(context->namePool(), name));
69 }
70 else
71 return Item();
72}
73
74Item NilledFN::evaluateSingleton(const DynamicContext::Ptr &context) const
75{
76 const Item item(m_operands.first()->evaluateSingleton(context));
77
78 if(item && item.asNode().kind() == QXmlNodeModelIndex::Element)
79 {
80 /* We have no access to the PSVI -- always return false. */
81 return CommonValues::BooleanFalse;
82 }
83 else
84 return Item();
85}