5e801e2793
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I20e5215108c6ebd5f8474fed5c3665118e4791e6 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef TRACE_H
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#define TRACE_H
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#include <QtCore/QDebug>
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#define ENABLE_TRACE
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//#define VERBOSE_TRACE
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namespace Trace {
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class NullDebug
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{
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public:
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template <typename T>
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NullDebug& operator<<(const T&) { return *this; }
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};
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inline NullDebug nullDebug() { return NullDebug(); }
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template <typename T>
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struct PtrWrapper
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{
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PtrWrapper(const T *ptr) : m_ptr(ptr) { }
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const T *const m_ptr;
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};
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} // namespace Trace
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template <typename T>
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inline QDebug& operator<<(QDebug &debug, const Trace::PtrWrapper<T> &wrapper)
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{
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debug.nospace() << "[" << (void*)wrapper.m_ptr << "]";
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return debug.space();
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}
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template<typename T>
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inline const void *qtVoidPtr(const T *ptr)
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{ return static_cast<const void *>(ptr); }
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#define qtThisPtr() qtVoidPtr(this)
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#ifdef ENABLE_TRACE
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inline QDebug qtTrace() { return qDebug() << "[qmlvideofx]"; }
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# ifdef VERBOSE_TRACE
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inline QDebug qtVerboseTrace() { return qtTrace(); }
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# else
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inline Trace::NullDebug qtVerboseTrace() { return Trace::nullDebug(); }
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# endif
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#else
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inline Trace::NullDebug qtTrace() { return Trace::nullDebug(); }
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inline Trace::NullDebug qtVerboseTrace() { return Trace::nullDebug(); }
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#endif
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#endif // TRACE_H
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