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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtOpcUa module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPEN62541UTILS_H
#define QOPEN62541UTILS_H
#include "qopen62541.h"
#include <QString>
#include <functional>
QT_BEGIN_NAMESPACE
template <typename T>
class UaDeleter
{
public:
UaDeleter(T *data, std::function<void(T *value)> f)
: m_data(data)
, m_function(f)
{
}
~UaDeleter()
{
if (m_data)
m_function(m_data);
}
void release()
{
m_data = nullptr;
m_function = nullptr;
}
private:
T *m_data {nullptr};
std::function<void(T *attribute)> m_function;
};
template <uint TYPEINDEX>
class UaArrayDeleter
{
public:
UaArrayDeleter(void *data, size_t arrayLength)
: m_data(data)
, m_arrayLength(arrayLength)
{
static_assert (TYPEINDEX < UA_TYPES_COUNT, "Invalid index outside the UA_TYPES array.");
}
~UaArrayDeleter()
{
if (m_data && m_arrayLength > 0)
UA_Array_delete(m_data, m_arrayLength, &UA_TYPES[TYPEINDEX]);
}
void release() {
m_data = nullptr;
m_arrayLength = 0;
}
private:
void *m_data {nullptr};
size_t m_arrayLength {0};
};
namespace Open62541Utils {
UA_NodeId nodeIdFromQString(const QString &name);
QString nodeIdToQString(UA_NodeId id);
}
QT_END_NAMESPACE
#endif // QOPEN62541UTILS_H
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