1// Copyright (C) 2023 basysKom GmbH, opensource@basyskom.com
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QOPCUAVARIANT_H
5#define QOPCUAVARIANT_H
6
7#include <QtOpcUa/qopcuaglobal.h>
8
9#include <QtCore/qcontainerfwd.h>
10#include <QtCore/qshareddata.h>
11
12QT_BEGIN_NAMESPACE
13
14class QVariant;
15
16class QOpcUaVariantData;
17
18QT_DECLARE_QESDP_SPECIALIZATION_DTOR_WITH_EXPORT(QOpcUaVariantData, Q_OPCUA_EXPORT)
19
20class QOpcUaVariant
21{
22public:
23 enum class ValueType {
24 Unknown = 0,
25 Boolean = 1,
26 SByte = 2,
27 Byte = 3,
28 Int16 = 4,
29 UInt16 = 5,
30 Int32 = 6,
31 UInt32 = 7,
32 Int64 = 8,
33 UInt64 = 9,
34 Float = 10,
35 Double = 11,
36 String = 12,
37 DateTime = 13,
38 Guid = 14,
39 ByteString = 15,
40 XmlElement = 16,
41 NodeId = 17,
42 ExpandedNodeId = 18,
43 StatusCode = 19,
44 QualifiedName = 20,
45 LocalizedText = 21,
46 ExtensionObject = 22,
47 DataValue = 23,
48 Variant = 24,
49 DiagnosticInfo = 25,
50 };
51
52 Q_OPCUA_EXPORT QOpcUaVariant();
53 Q_OPCUA_EXPORT QOpcUaVariant(ValueType type, const QVariant &value);
54 Q_OPCUA_EXPORT QOpcUaVariant(ValueType type, const QVariant &value,
55 const QList<qint32> arrayDimensions);
56 Q_OPCUA_EXPORT QOpcUaVariant(const QOpcUaVariant &other);
57 Q_OPCUA_EXPORT ~QOpcUaVariant();
58 void swap(QOpcUaVariant &other) noexcept
59 { data.swap(other&: other.data); }
60 QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_PURE_SWAP(QOpcUaVariant)
61 QOpcUaVariant(QOpcUaVariant &&other) noexcept = default;
62 Q_OPCUA_EXPORT QOpcUaVariant &operator=(const QOpcUaVariant &rhs);
63
64 Q_OPCUA_EXPORT QVariant value() const;
65 Q_OPCUA_EXPORT void setValue(ValueType type, const QVariant &value);
66 Q_OPCUA_EXPORT void setValue(ValueType type, const QVariant &value,
67 const QList<qint32> &arrayDimensions);
68
69 Q_OPCUA_EXPORT ValueType type() const;
70 Q_OPCUA_EXPORT bool isArray() const;
71
72 Q_OPCUA_EXPORT QList<qint32> arrayDimensions() const;
73 Q_OPCUA_EXPORT void setArrayDimensions(const QList<qint32> &arrayDimensions);
74
75 Q_OPCUA_EXPORT operator QVariant() const;
76
77private:
78 QExplicitlySharedDataPointer<QOpcUaVariantData> data;
79
80 friend Q_OPCUA_EXPORT bool comparesEqual(const QOpcUaVariant &lhs,
81 const QOpcUaVariant &rhs) noexcept;
82 friend bool operator==(const QOpcUaVariant &lhs, const QOpcUaVariant &rhs) noexcept
83 { return comparesEqual(lhs, rhs); }
84 friend bool operator!=(const QOpcUaVariant &lhs, const QOpcUaVariant &rhs) noexcept
85 {
86 return !(lhs == rhs);
87 }
88};
89
90Q_DECLARE_SHARED(QOpcUaVariant)
91
92QT_END_NAMESPACE
93
94#endif // QOPCUAVARIANT_H
95

source code of qtopcua/src/opcua/client/qopcuavariant.h