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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "logger.h"
#include <qapplication.h>
#include <stdio.h>
#include <stdlib.h>
#include <QTime>
#include <QFile>
#ifdef Q_OS_WIN
#include <windows.h>
#endif
QLogger* QLogger::m_instance;
void QLogger::loggerMessageOutput(QtMsgType type, const char *msg)
{
switch (type) {
case QtDebugMsg:
if (!QLogger::instance()->m_silent)
QLogger::instance()->output(msg);
break;
case QtWarningMsg:
fprintf(stderr, "Warning: %s\n", msg);
break;
case QtCriticalMsg:
fprintf(stderr, "Critical: %s\n", msg);
break;
case QtFatalMsg:
fprintf(stderr, "Fatal: %s\n", msg);
abort();
}
}
void QLogger::setLevel(int level)
{
instance()->m_level = level;
}
void QLogger::setSilent(bool silent)
{
instance()->m_silent = silent;
}
void QLogger::setModul(const QString &module)
{
instance()->m_modul = module;
}
void QLogger::setFilename(const QString &filename)
{
instance()->m_fileName = filename;
if (instance()->m_file) {
instance()->m_file->close();
delete instance()->m_file;
}
instance()->m_file = new QFile(filename);
instance()->m_fileName = filename;
instance()->m_file->open(QIODevice::WriteOnly);
}
void QLogger::setEnabled(bool enabled)
{
instance()->m_enabled = enabled;
}
void QLogger::setFlush(int msec)
{
instance()->m_flushTime = msec;
}
void QLogger::flush()
{
instance()->m_lastFlush = QTime::currentTime().elapsed();
if (instance()->m_file) {
foreach (QString s, instance()->m_buffer) {
s += QLatin1String("\n");
instance()->m_file->write (s.toAscii());
}
instance()->m_file->flush();
} else {
foreach ( QString s, instance()->m_buffer) {
s += QLatin1String("\n");
#ifdef Q_OS_WIN
OutputDebugStringW((TCHAR*)s.utf16());
#else
fprintf(stderr, "Debug: %s\n", s.toAscii().constData());
#endif
}
}
instance()->m_buffer.clear();
}
QLogger::QLogger() : m_level(0), m_modul(), m_fileName(), m_file(0), m_enabled(true), m_silent(false), m_flushTime(1000)
{
qInstallMsgHandler(loggerMessageOutput);
m_timer = new QTime();
m_timer->start();
m_lastFlush = m_timer->elapsed();
}
QLogger::~QLogger()
{
flush();
if (m_file) {
m_file->close();
delete m_file;
}
delete m_timer;
}
QLogger* QLogger::instance()
{
if (!m_instance) {
m_instance = new QLogger();
}
return m_instance;
}
void QLogger::output(const char *msg)
{
QString s = QString::fromAscii(msg);
if (m_enabled && (m_modul.isEmpty() || s.contains(m_modul, Qt::CaseInsensitive))) {
int level = 0;
if (s.contains("LEVEL=1")) {
s = s.remove("LEVEL=1");
level = 1;
} else if (s.contains("LEVEL=2")) {
s = s.remove("LEVEL=2");
level = 2;
} else if (s.contains("LEVEL=3")) {
s = s.remove("LEVEL=3");
level = 3;
}
if (m_level >= level)
m_buffer.append(s);
}
int time = m_timer->elapsed();
if (time > m_lastFlush + m_flushTime)
flush();
}
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