QuasarAppLib/qalogger.cpp

113 lines
2.9 KiB
C++

/*
* Copyright (C) 2024-2025 QuasarApp.
* Distributed under the lgplv3 software license, see the accompanying
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
#include "qalogger.h"
#include "params.h"
#include <iostream>
#include <QCoreApplication>
#include <QFile>
#include <QStandardPaths>
namespace QuasarAppUtils {
static QFile* _logFile;
static bool _toFile = false;
static VerboseLvl _verboseLevel = Debug;
#define MESSAGE_PATTERN \
"[%{time MM-dd h:mm:ss.zzz} %{threadid} " \
"%{if-debug}Debug%{endif}%{if-info}Info%{endif}%{if-warning}Warning%{endif}%{if-critical}Error%{endif}%{if-fatal}Fatal%{endif}] " \
"%{message}"
QALogger::QALogger() {
_logFile = new QFile();
}
QALogger::~QALogger() {
_logFile->close();
delete _logFile;
}
bool checkLogType(QtMsgType type, VerboseLvl lvl) {
switch (type) {
case QtDebugMsg: return lvl >= Debug;
case QtInfoMsg: return lvl >= Info;
case QtWarningMsg: return lvl >= Warning;
case QtCriticalMsg:
case QtFatalMsg:
return true;
}
return true;
}
void messageHandler(QtMsgType type, const QMessageLogContext & context, const QString &msg) {
if (checkLogType(type, _verboseLevel)) {
if (_toFile && _logFile) {
QTextStream stream(_logFile);
stream << qFormatLogMessage(type, context, msg) << Qt::endl;
_logFile->flush();
}
switch (type) {
case QtMsgType::QtFatalMsg: {
Q_ASSERT_X(false, __FUNCTION__ , qFormatLogMessage(type, context, msg).toLatin1().data());
break;
}
case QtMsgType::QtCriticalMsg:
case QtMsgType::QtWarningMsg: {
std::cerr << qFormatLogMessage(type, context, msg).toStdString() << std::endl;
break;
}
case QtMsgType::QtDebugMsg:
case QtMsgType::QtInfoMsg:
default: {
std::cout << qFormatLogMessage(type, context, msg).toStdString() << std::endl;
break;
}
}
}
}
void QALogger::init() {
qSetMessagePattern(MESSAGE_PATTERN);
qInstallMessageHandler(messageHandler);
_verboseLevel = Params::getVerboseLvl();
if (Params::isEndable("fileLog")) {
_toFile = true;
QString path = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + "/" + QCoreApplication::applicationName() + ".log";
auto file = Params::getArg("fileLog");
if (file.size()) {
path = file;
}
_logFile->setFileName(path);
if (!_logFile->open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Text)) {
qFatal() << "Can't open log file";
}
}
}
}