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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDEBUG_H
#define QDEBUG_H
#include <QtCore/qalgorithms.h>
#include <QtCore/qhash.h>
#include <QtCore/qlist.h>
#include <QtCore/qmap.h>
#include <QtCore/qpair.h>
#include <QtCore/qtextstream.h>
#include <QtCore/qstring.h>
#include <QtCore/qvector.h>
#include <QtCore/qset.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
class Q_CORE_EXPORT QDebug
{
struct Stream {
Stream(QIODevice *device) : ts(device), ref(1), type(QtDebugMsg), space(true), message_output(false) {}
Stream(QString *string) : ts(string, QIODevice::WriteOnly), ref(1), type(QtDebugMsg), space(true), message_output(false) {}
Stream(QtMsgType t) : ts(&buffer, QIODevice::WriteOnly), ref(1), type(t), space(true), message_output(true) {}
QTextStream ts;
QString buffer;
int ref;
QtMsgType type;
bool space;
bool message_output;
} *stream;
public:
inline QDebug(QIODevice *device) : stream(new Stream(device)) {}
inline QDebug(QString *string) : stream(new Stream(string)) {}
inline QDebug(QtMsgType t) : stream(new Stream(t)) {}
inline QDebug(const QDebug &o):stream(o.stream) { ++stream->ref; }
inline QDebug &operator=(const QDebug &other);
inline ~QDebug() {
if (!--stream->ref) {
if(stream->message_output) {
QT_TRY {
qt_message_output(stream->type, stream->buffer.toLocal8Bit().data());
} QT_CATCH(std::bad_alloc) { /* We're out of memory - give up. */ }
}
delete stream;
}
}
inline QDebug &space() { stream->space = true; stream->ts << " "; return *this; }
inline QDebug &nospace() { stream->space = false; return *this; }
inline QDebug &maybeSpace() { if (stream->space) stream->ts << " "; return *this; }
inline QDebug &operator<<(QChar t) { stream->ts << "\'" << t << "\'"; return maybeSpace(); }
inline QDebug &operator<<(QBool t) { stream->ts << (bool(t) ? "true" : "false"); return maybeSpace(); }
inline QDebug &operator<<(bool t) { stream->ts << (t ? "true" : "false"); return maybeSpace(); }
inline QDebug &operator<<(char t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(signed short t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(unsigned short t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(signed int t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(unsigned int t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(signed long t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(unsigned long t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(qint64 t)
{ stream->ts << QString::number(t); return maybeSpace(); }
inline QDebug &operator<<(quint64 t)
{ stream->ts << QString::number(t); return maybeSpace(); }
inline QDebug &operator<<(float t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(double t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(const char* t) { stream->ts << QString::fromAscii(t); return maybeSpace(); }
inline QDebug &operator<<(const QString & t) { stream->ts << "\"" << t << "\""; return maybeSpace(); }
inline QDebug &operator<<(const QStringRef & t) { return operator<<(t.toString()); }
inline QDebug &operator<<(const QLatin1String &t) { stream->ts << "\"" << t.latin1() << "\""; return maybeSpace(); }
inline QDebug &operator<<(const QByteArray & t) { stream->ts << "\"" << t << "\""; return maybeSpace(); }
inline QDebug &operator<<(const void * t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(QTextStreamFunction f) {
stream->ts << f;
return *this;
}
inline QDebug &operator<<(QTextStreamManipulator m)
{ stream->ts << m; return *this; }
};
class QNoDebug
{
public:
inline QNoDebug(){}
inline QNoDebug(const QDebug &){}
inline ~QNoDebug(){}
#if !defined( QT_NO_TEXTSTREAM )
inline QNoDebug &operator<<(QTextStreamFunction) { return *this; }
inline QNoDebug &operator<<(QTextStreamManipulator) { return *this; }
#endif
inline QNoDebug &space() { return *this; }
inline QNoDebug &nospace() { return *this; }
inline QNoDebug &maybeSpace() { return *this; }
#ifndef QT_NO_MEMBER_TEMPLATES
template<typename T>
inline QNoDebug &operator<<(const T &) { return *this; }
#endif
};
Q_CORE_EXPORT_INLINE QDebug qCritical() { return QDebug(QtCriticalMsg); }
inline QDebug &QDebug::operator=(const QDebug &other)
{
if (this != &other) {
QDebug copy(other);
qSwap(stream, copy.stream);
}
return *this;
}
#if defined(FORCE_UREF)
template <class T>
inline QDebug &operator<<(QDebug debug, const QList<T> &list)
#else
template <class T>
inline QDebug operator<<(QDebug debug, const QList<T> &list)
#endif
{
debug.nospace() << "(";
for (Q_TYPENAME QList<T>::size_type i = 0; i < list.count(); ++i) {
if (i)
debug << ", ";
debug << list.at(i);
}
debug << ")";
return debug.space();
}
#if defined(FORCE_UREF)
template <typename T>
inline QDebug &operator<<(QDebug debug, const QVector<T> &vec)
#else
template <typename T>
inline QDebug operator<<(QDebug debug, const QVector<T> &vec)
#endif
{
debug.nospace() << "QVector";
return operator<<(debug, vec.toList());
}
#if defined(FORCE_UREF)
template <class aKey, class aT>
inline QDebug &operator<<(QDebug debug, const QMap<aKey, aT> &map)
#else
template <class aKey, class aT>
inline QDebug operator<<(QDebug debug, const QMap<aKey, aT> &map)
#endif
{
debug.nospace() << "QMap(";
for (typename QMap<aKey, aT>::const_iterator it = map.constBegin();
it != map.constEnd(); ++it) {
debug << "(" << it.key() << ", " << it.value() << ")";
}
debug << ")";
return debug.space();
}
#if defined(FORCE_UREF)
template <class aKey, class aT>
inline QDebug &operator<<(QDebug debug, const QHash<aKey, aT> &hash)
#else
template <class aKey, class aT>
inline QDebug operator<<(QDebug debug, const QHash<aKey, aT> &hash)
#endif
{
debug.nospace() << "QHash(";
for (typename QHash<aKey, aT>::const_iterator it = hash.constBegin();
it != hash.constEnd(); ++it)
debug << "(" << it.key() << ", " << it.value() << ")";
debug << ")";
return debug.space();
}
#if defined(FORCE_UREF)
template <class T1, class T2>
inline QDebug &operator<<(QDebug debug, const QPair<T1, T2> &pair)
#else
template <class T1, class T2>
inline QDebug operator<<(QDebug debug, const QPair<T1, T2> &pair)
#endif
{
debug.nospace() << "QPair(" << pair.first << "," << pair.second << ")";
return debug.space();
}
template <typename T>
inline QDebug operator<<(QDebug debug, const QSet<T> &set)
{
debug.nospace() << "QSet";
return operator<<(debug, set.toList());
}
#if !defined(QT_NO_DEBUG_STREAM)
Q_CORE_EXPORT_INLINE QDebug qDebug() { return QDebug(QtDebugMsg); }
#else // QT_NO_DEBUG_STREAM
#undef qDebug
inline QNoDebug qDebug() { return QNoDebug(); }
#define qDebug QT_NO_QDEBUG_MACRO
#ifdef QT_NO_MEMBER_TEMPLATES
template<typename T>
inline QNoDebug operator<<(QNoDebug debug, const T &) { return debug; }
#endif
#endif
#if !defined(QT_NO_WARNING_OUTPUT)
Q_CORE_EXPORT_INLINE QDebug qWarning() { return QDebug(QtWarningMsg); }
#else
#undef qWarning
inline QNoDebug qWarning() { return QNoDebug(); }
#define qWarning QT_NO_QWARNING_MACRO
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif // QDEBUG_H
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