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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.
*/
#include "Debug.h"
#include "ResourceFinder.h"
#include <QString>
#include <QUrl>
#include <QMutex>
#include <QMutexLocker>
#include <QFile>
#include <QDir>
#include <QCoreApplication>
#include <QDateTime>
#include <QThreadStorage>
#include <cstdio>
static QThreadStorage<QDebug *> debugs;
static QMutex mutex;
static char *prefix = 0;
QDebug &
getSVDebug()
{
mutex.lock();
QDebug *debug = 0;
QString pfx = ResourceFinder().getUserResourcePrefix();
QDir logdir(QString("%1/%2").arg(pfx).arg("log"));
if (!prefix) {
prefix = strdup(QString("[%1]")
.arg(QCoreApplication::applicationPid())
.toLatin1().data());
//!!! what to do if mkpath fails?
if (!logdir.exists()) logdir.mkpath(logdir.path());
}
if (!debugs.hasLocalData()) {
QFile *logFile = new QFile(logdir.path() + "/sv-debug.log");
if (logFile->open(QIODevice::WriteOnly | QIODevice::Append)) {
QDebug(QtDebugMsg) << (const char *)prefix
<< "Opened debug log file "
<< logFile->fileName();
debug = new QDebug(logFile);
} else {
QDebug(QtWarningMsg) << (const char *)prefix
<< "Failed to open debug log file "
<< logFile->fileName()
<< " for writing, using console debug instead";
delete logFile;
logFile = 0;
debug = new QDebug(QtDebugMsg);
}
debugs.setLocalData(debug);
*debug << endl << (const char *)prefix << "Log started at "
<< QDateTime::currentDateTime().toString();
} else {
debug = debugs.localData();
}
mutex.unlock();
QDebug &dref = *debug;
dref << endl << (const char *)prefix;
return dref;
}
QDebug &
operator<<(QDebug &dbg, const std::string &s)
{
dbg << QString::fromUtf8(s.c_str());
return dbg;
}
std::ostream &
operator<<(std::ostream &target, const QString &str)
{
return target << str.toStdString();
}
std::ostream &
operator<<(std::ostream &target, const QUrl &u)
{
return target << "<" << u.toString().toStdString() << ">";
}
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