1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtXmlPatterns module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49
50#ifndef Patternist_AtomicMathematician_H
51#define Patternist_AtomicMathematician_H
52
53#include <QFlags>
54
55#include <private/qdynamiccontext_p.h>
56#include <private/qitem_p.h>
57#include <private/qatomictypedispatch_p.h>
58
59QT_BEGIN_NAMESPACE
60
61namespace QPatternist
62{
63 /**
64 * @short Base class for classes that performs arithmetic operations between atomic values.
65 *
66 * @ingroup Patternist_xdm
67 * @author Frans Englich <frans.englich@nokia.com>
68 */
69 class Q_AUTOTEST_EXPORT AtomicMathematician : public AtomicTypeVisitorResult
70 {
71 public:
72 virtual ~AtomicMathematician();
73
74 typedef QExplicitlySharedDataPointer<AtomicMathematician> Ptr;
75
76 enum Operator
77 {
78 /**
79 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-divide">XQuery 1.0
80 * and XPath 2.0 Functions and Operators, 6.2.4 op:numeric-divide</a>
81 */
82 Div = 1,
83
84 /**
85 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-integer-divide">XQuery 1.0
86 * and XPath 2.0 Functions and Operators, 6.2.5 op:numeric-integer-divide</a>
87 */
88 IDiv = 2,
89
90 /**
91 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-subtract">XQuery 1.0
92 * and XPath 2.0 Functions and Operators, 6.2.2 op:numeric-subtract</a>
93 */
94 Substract = 4,
95
96 /**
97 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-mod">XQuery 1.0
98 * and XPath 2.0 Functions and Operators, 6.2.6 op:numeric-mod</a>
99 */
100 Mod = 8,
101
102 /**
103 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-multiply">XQuery 1.0
104 * and XPath 2.0 Functions and Operators, 6.2.3 op:numeric-multiply</a>
105 */
106 Multiply = 16,
107
108 /**
109 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-numeric-add">XQuery 1.0
110 * and XPath 2.0 Functions and Operators, 6.2.1 op:numeric-add</a>
111 */
112 Add = 32
113 };
114
115 typedef QFlags<Operator> Operators;
116
117 virtual Item calculate(const Item &operand1,
118 const Operator op,
119 const Item &operand2,
120 const QExplicitlySharedDataPointer<DynamicContext> &context) const = 0;
121
122 static QString displayName(const AtomicMathematician::Operator op);
123
124 };
125 Q_DECLARE_OPERATORS_FOR_FLAGS(AtomicMathematician::Operators)
126}
127
128QT_END_NAMESPACE
129
130#endif
131

source code of qtxmlpatterns/src/xmlpatterns/data/qatomicmathematician_p.h