/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** 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 1.1, 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 have questions regarding the use of this file, please contact ** Nokia at qt-info@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> #include <QtCore/qcontiguouscache.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 != 0) ? "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(FORCE_UREF) template <class T> inline QDebug &operator<<(QDebug debug, const QContiguousCache<T> &cache) #else template <class T> inline QDebug operator<<(QDebug debug, const QContiguousCache<T> &cache) #endif { debug.nospace() << "QContiguousCache("; for (int i = cache.firstIndex(); i <= cache.lastIndex(); ++i) { debug << cache[i]; if (i != cache.lastIndex()) debug << ", "; } debug << ')'; return debug.space(); } #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