view src/debug.h @ 576:cc62862d21a4

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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    EasyMercurial

    Based on HgExplorer by Jari Korhonen
    Copyright (c) 2010 Jari Korhonen
    Copyright (c) 2012 Chris Cannam
    Copyright (c) 2012 Queen Mary, University of London
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _DEBUG_H_
#define _DEBUG_H_

#include <QDebug>
#include <QTextStream>
#include <string>
#include <iostream>

class QString;
class QUrl;

QDebug &operator<<(QDebug &, const std::string &);
std::ostream &operator<<(std::ostream &, const QString &);
std::ostream &operator<<(std::ostream &, const QUrl &);

#ifndef NDEBUG

extern QDebug &getEasyHgDebug();

#define DEBUG getEasyHgDebug()

template <typename T>
inline QDebug &operator<<(QDebug &d, const T &t) {
    QString s;
    QTextStream ts(&s);
    ts << t;
    d << s;
    return d;
}

#else

class NoDebug
{
public:
    inline NoDebug() {}
    inline ~NoDebug(){}

    template <typename T>
    inline NoDebug &operator<<(const T &) { return *this; }

    inline NoDebug &operator<<(QTextStreamFunction) { return *this; }
};

#define DEBUG NoDebug()

#endif /* !NDEBUG */

#endif /* !_DEBUG_H_ */