source: trunk/src/xmlpatterns/functions/qdatetimefns.cpp@ 841

Last change on this file since 841 was 651, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.2 sources.

File size: 5.0 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2010 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/**
43 * @file
44 * @short This file is included by qdatetimefns_p.h.
45 * If you need includes in this file, put them in qdatetimefns_p.h, outside of the namespace.
46 */
47
48template<typename TSubClass>
49Item ExtractFromDurationFN<TSubClass>::evaluateSingleton(const DynamicContext::Ptr &context) const
50{
51 const Item item(m_operands.first()->evaluateSingleton(context));
52 if(item)
53 {
54 return static_cast<const TSubClass *>(this)->
55 extract(item.as<AbstractDuration>());
56 }
57 else
58 return Item();
59}
60
61Item YearsFromDurationFN::extract(const AbstractDuration *const duration) const
62{
63 return Integer::fromValue(duration->years() * (duration->isPositive() ? 1 : -1));
64}
65
66Item MonthsFromDurationFN::extract(const AbstractDuration *const duration) const
67{
68 return Integer::fromValue(duration->months() * (duration->isPositive() ? 1 : -1));
69}
70
71Item DaysFromDurationFN::extract(const AbstractDuration *const duration) const
72{
73 return Integer::fromValue(duration->days() * (duration->isPositive() ? 1 : -1));
74}
75
76Item HoursFromDurationFN::extract(const AbstractDuration *const duration) const
77{
78 return Integer::fromValue(duration->hours() * (duration->isPositive() ? 1 : -1));
79}
80
81Item MinutesFromDurationFN::extract(const AbstractDuration *const duration) const
82{
83 return Integer::fromValue(duration->minutes() * (duration->isPositive() ? 1 : -1));
84}
85
86Item SecondsFromDurationFN::extract(const AbstractDuration *const duration) const
87{
88 return toItem(Decimal::fromValue((duration->seconds() + duration->mseconds() / 1000.0) *
89 (duration->isPositive() ? 1 : -1)));
90}