399500f87e
Change-Id: Ia8c1c38aba1544603fada8c414cc856f365fd15b Reviewed-by: Akseli Salovaara <akseli.salovaara@digia.com> Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: 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, Digia gives you certain additional
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** rights. These rights are described in the Digia 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
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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() << "[qmlvideo]"; }
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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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