Mercurial > hg > svcore
view base/Debug.h @ 1396:0bbf91b05164
Debug output
author | Chris Cannam |
---|---|
date | Sun, 05 Mar 2017 17:16:04 +0000 |
parents | ad2d3e0a8b7c |
children | 166d7a4c2cd6 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2010-2011 Chris Cannam and QMUL. 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 SV_DEBUG_H #define SV_DEBUG_H #include <QDebug> #include <QTextStream> #include "RealTime.h" #include <string> #include <iostream> #include <fstream> class QString; class QUrl; QDebug &operator<<(QDebug &, const std::string &); std::ostream &operator<<(std::ostream &, const QString &); std::ostream &operator<<(std::ostream &, const QUrl &); using std::cout; using std::cerr; using std::endl; class SVDebug { public: SVDebug(); ~SVDebug(); template <typename T> inline SVDebug &operator<<(const T &t) { if (m_silenced) return *this; if (m_ok) { if (m_eol) { m_stream << m_prefix << " "; } m_stream << t; m_eol = false; } return *this; } inline SVDebug &operator<<(QTextStreamFunction) { if (m_silenced) return *this; m_stream << std::endl; m_eol = true; return *this; } static void silence() { m_silenced = true; } private: std::fstream m_stream; char *m_prefix; bool m_ok; bool m_eol; static bool m_silenced; }; class SVCerr { public: SVCerr(SVDebug &d) : m_d(d) { } template <typename T> inline SVCerr &operator<<(const T &t) { if (m_silenced) return *this; m_d << t; cerr << t; return *this; } inline SVCerr &operator<<(QTextStreamFunction f) { if (m_silenced) return *this; m_d << f; cerr << std::endl; return *this; } static void silence() { m_silenced = true; } private: SVDebug &m_d; static bool m_silenced; }; extern SVDebug &getSVDebug(); extern SVCerr &getSVCerr(); // Writes to debug log only #define SVDEBUG getSVDebug() // Writes to both SVDEBUG and cerr #define SVCERR getSVCerr() #endif /* !_DEBUG_H_ */