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

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