Mercurial > hg > svcore
view base/Debug.cpp @ 1752:6d09d68165a4 by-id
Further review of ById: make IDs only available when adding a model to the ById store, not by querying the item directly. This means any id encountered in the wild must have been added to the store at some point (even if later released), which simplifies reasoning about lifecycles
author | Chris Cannam |
---|---|
date | Fri, 05 Jul 2019 15:28:07 +0100 |
parents | 70e172e6cc59 |
children | 40420fa95ffe |
line wrap: on
line source
/* -*- 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 <QMutex> #include <QDir> #include <QUrl> #include <QCoreApplication> #include <QDateTime> #include <stdexcept> static SVDebug *svdebug = nullptr; static SVCerr *svcerr = nullptr; static QMutex mutex; SVDebug &getSVDebug() { mutex.lock(); if (!svdebug) { svdebug = new SVDebug(); } mutex.unlock(); return *svdebug; } SVCerr &getSVCerr() { mutex.lock(); if (!svcerr) { if (!svdebug) { svdebug = new SVDebug(); } svcerr = new SVCerr(*svdebug); } mutex.unlock(); return *svcerr; } bool SVDebug::m_silenced = false; bool SVCerr::m_silenced = false; SVDebug::SVDebug() : m_prefix(nullptr), m_ok(false), m_eol(true) { if (m_silenced) return; if (qApp->applicationName() == "") { cerr << "ERROR: Can't use SVDEBUG before setting application name" << endl; throw std::logic_error("Can't use SVDEBUG before setting application name"); } QString pfx = ResourceFinder().getUserResourcePrefix(); QDir logdir(QString("%1/%2").arg(pfx).arg("log")); m_prefix = strdup(QString("[%1]") .arg(QCoreApplication::applicationPid()) .toLatin1().data()); //!!! what to do if mkpath fails? if (!logdir.exists()) logdir.mkpath(logdir.path()); QString fileName = logdir.path() + "/sv-debug.log"; m_stream.open(fileName.toLocal8Bit().data(), std::ios_base::out); if (!m_stream) { QDebug(QtWarningMsg) << (const char *)m_prefix << "Failed to open debug log file " << fileName << " for writing"; } else { m_ok = true; (*this) << "Debug log started at " << QDateTime::currentDateTime().toString() << endl; } } SVDebug::~SVDebug() { if (m_stream) m_stream.close(); } 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() << ">"; }