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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef Patternist_Decimal_H
#define Patternist_Decimal_H
#include "qschemanumeric_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
/**
* Defined in QtCore's qlocale.cpp.
*/
Q_CORE_EXPORT char *qdtoa(double d, int mode, int ndigits, int *decpt, int *sign, char **rve, char **resultp);
namespace QPatternist
{
/**
* @short Implements the value instance of the @c xs:decimal type.
*
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_xdm
* @todo Documentation is missing/incomplete
*/
class Decimal : public Numeric
{
public:
static Decimal::Ptr fromValue(const xsDecimal num);
/**
* Creates a Decimal from the lexical representation of @c xs:decimal stored in
* @p strNumeric.
*
* A possible optimization is to create an Integer if the string ends
* with ".0". But this is not conformant. For example, the user writes N.0
* which according to the specification is an xs:decimal, but where the
* expression is, is an xs:integer is required. That would pass with
* such an optimization.
*/
static AtomicValue::Ptr fromLexical(const QString &strNumeric);
/**
* Gets the Effective %Boolean Value of this number.
*
* @returns @c false if the number is 0 or @c NaN, otherwise @c true.
*/
bool evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const;
virtual QString stringValue() const;
/**
* @returns always BuiltinTypes::xsDecimal
*/
virtual ItemType::Ptr type() const;
virtual xsDouble toDouble() const;
virtual xsInteger toInteger() const;
virtual xsFloat toFloat() const;
virtual xsDecimal toDecimal() const;
virtual qulonglong toUnsignedInteger() const;
virtual Numeric::Ptr round() const;
virtual Numeric::Ptr roundHalfToEven(const xsInteger scale) const;
virtual Numeric::Ptr floor() const;
virtual Numeric::Ptr ceiling() const;
virtual Numeric::Ptr abs() const;
/**
* @returns always @c false, xs:decimal doesn't have
* not-a-number in its value space.
*/
virtual bool isNaN() const;
/**
* @returns always @c false, xs:decimal doesn't have
* infinity in its value space.
*/
virtual bool isInf() const;
virtual Item toNegated() const;
/**
* Converts @p value into a canonical string representation for @c xs:decimal. This
* function is used internally by various classes. Users probably wants to call
* stringValue() which in turn calls this function.
*/
static QString toString(const xsDecimal value);
virtual bool isSigned() const;
protected:
Decimal(const xsDecimal num);
private:
const xsDecimal m_value;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
