source: trunk/src/xmlpatterns/data/qcommonvalues_p.h@ 780

Last change on this file since 780 was 651, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.2 sources.
File size: 6.5 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// W A R N I N G
44// -------------
45//
46// This file is not part of the Qt API. It exists purely as an
47// implementation detail. This header file may change from version to
48// version without notice, or even be removed.
49//
50// We mean it.
51
52#ifndef Patternist_CommonValues_H
53#define Patternist_CommonValues_H
54
55#include "qdaytimeduration_p.h"
56#include "qyearmonthduration_p.h"
57#include "qemptyiterator_p.h"
58
59QT_BEGIN_HEADER
60
61QT_BEGIN_NAMESPACE
62
63namespace QPatternist
64{
65
66 /**
67 * @short A collection of common values.
68 *
69 * @author Frans Englich <[email protected]>
70 * @ingroup Patternist_xdm
71 * @todo Documentation is missing/incomplete
72 */
73 class CommonValues
74 {
75 public:
76 /**
77 * An empty, zero-length string.
78 *
79 * @note It is not @c null, but empty.
80 */
81 static const AtomicValue::Ptr EmptyString;
82
83 /**
84 * The string "true", the lexical representation of
85 * @c xs:boolean's value @c true.
86 */
87 static const AtomicValue::Ptr TrueString;
88
89 /**
90 * The string "false", the lexical representation of
91 * @c xs:boolean's value @c false.
92 */
93 static const AtomicValue::Ptr UntypedAtomicFalse;
94
95 /**
96 * The string "true", the lexical representation of
97 * @c xs:boolean's value @c true.
98 */
99 static const AtomicValue::Ptr UntypedAtomicTrue;
100
101 /**
102 * The string "false", the lexical representation of
103 * @c xs:boolean's value @c false.
104 */
105 static const AtomicValue::Ptr FalseString;
106
107 /**
108 * @returns a Boolean instance carrying the boolean value @c true.
109 * Use this value instead of Boolean::fromValue() if you
110 * know what boolean value you need.
111 */
112 static const AtomicValue::Ptr BooleanTrue;
113
114 /**
115 * @returns a Boolean instance carrying the boolean value @c true.
116 * Use this value instead of Boolean::fromValue() if you
117 * know what boolean value you need.
118 */
119 static const AtomicValue::Ptr BooleanFalse;
120
121 /**
122 * Not-a-Numeric typed as @c xs:double.
123 */
124 static const AtomicValue::Ptr DoubleNaN;
125
126 /**
127 * Not-a-Number typed as @c xs:float, <tt>xs:float("NaN")</tt>.
128 */
129 static const AtomicValue::Ptr FloatNaN;
130
131 /**
132 * Zero(0) typed as @c xs:integer, <tt>xs:integer("0")</tt>.
133 */
134 static const Item IntegerZero;
135
136 /**
137 * An empty, "", @c xs:anyURI.
138 */
139 static const AtomicValue::Ptr EmptyAnyURI;
140
141 /**
142 * The empty sequence.
143 */
144 static const EmptyIterator<Item>::Ptr emptyIterator;