1// Copyright (C) 2017 The Qt Company Ltd.
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 QOPEN62541VALUECONVERTER_H
5#define QOPEN62541VALUECONVERTER_H
6
7#ifdef USE_SYSTEM_OPEN62541
8#include <open62541/common.h>
9#else
10#include "qopen62541.h"
11#endif
12
13#include <QtOpcUa/qopcuanode.h>
14#include <QtOpcUa/qopcuatype.h>
15#include <QtOpcUa/qopcuabinarydataencoding.h>
16#include <QtOpcUa/qopcuaextensionobject.h>
17
18#include <QtCore/qvariant.h>
19
20QT_BEGIN_NAMESPACE
21
22namespace QOpen62541ValueConverter {
23
24 inline UA_AttributeId toUaAttributeId(QOpcUa::NodeAttribute attr)
25 {
26 const int attributeIdUsedBits = 27;
27 for (int i = 0; i < attributeIdUsedBits; ++i)
28 if (static_cast<int>(attr) == (1 << i))
29 return static_cast<UA_AttributeId>(i + 1);
30
31 return static_cast<UA_AttributeId>(0);
32 }
33
34 inline QOpcUa::NodeAttribute toQtAttributeId(UA_AttributeId attr)
35 {
36 if (attr > 0 && attr <= UA_ATTRIBUTEID_ACCESSLEVELEX)
37 return QOpcUa::NodeAttribute(1 << (attr - 1));
38
39 return QOpcUa::NodeAttribute::None;
40 }
41
42 UA_Variant toOpen62541Variant(const QVariant&, QOpcUa::Types);
43 QVariant toQVariant(const UA_Variant&);
44 const UA_DataType *toDataType(QOpcUa::Types valueType);
45 QOpcUa::Types toQtDataType(const UA_DataType *type);
46 QOpcUa::Types qvariantTypeToQOpcUaType(QMetaType::Type type);
47
48 template<typename TARGETTYPE, typename UATYPE>
49 TARGETTYPE scalarToQt(const UATYPE *data);
50
51 template<typename TARGETTYPE, typename UATYPE>
52 QVariant arrayToQVariant(const UA_Variant &var, QMetaType::Type type = QMetaType::UnknownType);
53
54 template<typename TARGETTYPE, typename QTTYPE>
55 void scalarFromQt(const QTTYPE &var, TARGETTYPE *ptr);
56
57 template<typename TARGETTYPE, typename QTTYPE>
58 UA_Variant arrayFromQVariant(const QVariant &var, const UA_DataType *type);
59
60 void createExtensionObject(QByteArray &data, const UA_NodeId &typeEncodingId, UA_ExtensionObject *ptr,
61 QOpcUaExtensionObject::Encoding encoding = QOpcUaExtensionObject::Encoding::ByteString);
62
63 QVariant uaVariantToQtExtensionObject(const UA_Variant &var);
64 QOpcUaExtensionObject encodeAsBinaryExtensionObject(const void *data, const UA_DataType *type, bool *success = nullptr);
65}
66
67QT_END_NAMESPACE
68
69#endif // QOPEN62541VALUECONVERTER_H
70

source code of qtopcua/src/plugins/opcua/open62541/qopen62541valueconverter.h