Chris@57: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@57: 
Chris@57: /*
Chris@57:     EasyMercurial
Chris@57: 
Chris@57:     Based on HgExplorer by Jari Korhonen
Chris@57:     Copyright (c) 2010 Jari Korhonen
Chris@644:     Copyright (c) 2013 Chris Cannam
Chris@644:     Copyright (c) 2013 Queen Mary, University of London
Chris@57:     
Chris@57:     This program is free software; you can redistribute it and/or
Chris@57:     modify it under the terms of the GNU General Public License as
Chris@57:     published by the Free Software Foundation; either version 2 of the
Chris@57:     License, or (at your option) any later version.  See the file
Chris@57:     COPYING included with this distribution for more information.
Chris@57: */
Chris@57: 
Chris@57: #include "debug.h"
Chris@57: 
Chris@57: #include <QString>
Chris@57: #include <QUrl>
Chris@57: #include <QMutex>
Chris@57: #include <QMutexLocker>
Chris@57: #include <QFile>
Chris@57: #include <QDir>
Chris@57: #include <QCoreApplication>
Chris@62: #include <QDateTime>
Chris@663: #include <QStandardPaths>
Chris@57: 
Chris@57: #include <cstdio>
Chris@57: 
Chris@57: QDebug &
Chris@57: getEasyHgDebug()
Chris@57: {
Chris@57:     static QFile *logFile = 0;
Chris@57:     static QDebug *debug = 0;
Chris@57:     static QMutex mutex;
Chris@57:     static char *prefix;
Chris@57:     mutex.lock();
Chris@57:     if (!debug) {
Chris@57:         prefix = new char[20];
Chris@60:         sprintf(prefix, "[%lu]", (unsigned long)QCoreApplication::applicationPid());
Chris@477:         QString logFileName = QDir::homePath() + "/.easyhg.log"; // the fallback
Chris@708: #if QT_VERSION >= 0x050400
Chris@663:         QString logDir = QStandardPaths::writableLocation
Chris@689:             (QStandardPaths::AppDataLocation);
Chris@708: #else
Chris@708:         QString logDir = QStandardPaths::writableLocation
Chris@708:             (QStandardPaths::DataLocation);
Chris@708: #endif
Chris@477:         if (logDir != "" &&
Chris@477:             (QDir(logDir).exists() ||
Chris@477:              QDir().mkpath(logDir))) {
Chris@477:             logFileName = logDir + "/debug.log";
Chris@477:         }
Chris@477:         logFile = new QFile(logFileName);
Chris@172:         if (logFile->open(QIODevice::WriteOnly | QIODevice::Truncate)) {
Chris@57:             QDebug(QtDebugMsg) << (const char *)prefix
Chris@57:                                << "Opened debug log file "
Chris@57:                                << logFile->fileName();
Chris@57:             debug = new QDebug(logFile);
Chris@57:         } else {
Chris@57:             QDebug(QtWarningMsg) << (const char *)prefix
Chris@57:                                  << "Failed to open debug log file "
Chris@57:                                  << logFile->fileName()
Chris@57:                                  << " for writing, using console debug instead";
Chris@57:             debug = new QDebug(QtDebugMsg);
Chris@57:             delete logFile;
Chris@57:             logFile = 0;
Chris@57:         }
Chris@62:         *debug << endl << (const char *)prefix << "Log started at "
Chris@62:                << QDateTime::currentDateTime().toString();
Chris@57:     }
Chris@57:     mutex.unlock();
Chris@57: 
Chris@57:     QDebug &dref = *debug;
Chris@57:     return dref << endl << (const char *)prefix;
Chris@57: }
Chris@57: 
Chris@57: QDebug &
Chris@57: operator<<(QDebug &dbg, const std::string &s)
Chris@57: {
Chris@57:     dbg << QString::fromUtf8(s.c_str());
Chris@57:     return dbg;
Chris@57: }
Chris@57: 
Chris@57: std::ostream &
Chris@57: operator<<(std::ostream &target, const QString &str)
Chris@57: {
Chris@57:     return target << str.toLocal8Bit().data();
Chris@57: }
Chris@57: 
Chris@57: std::ostream &
Chris@57: operator<<(std::ostream &target, const QUrl &u)
Chris@57: {
Chris@57:     return target << "<" << u.toString() << ">";
Chris@57: }
Chris@57: