ATBUpdateTool/message_handler.cpp

151 lines
5.9 KiB
C++
Executable File

#include "message_handler.h"
#include <QDateTime>
#include <cstring>
#define OUTPUT_LEN (20)
static bool installedMsgHandler = false;
static QtMsgType debugLevel = QtInfoMsg;
QtMsgType getDebugLevel() { return debugLevel; }
void setDebugLevel(QtMsgType newDebugLevel) {
debugLevel = newDebugLevel;
}
bool messageHandlerInstalled() {
return installedMsgHandler;
}
QtMessageHandler atbInstallMessageHandler(QtMessageHandler handler) {
installedMsgHandler = (handler != 0);
static QtMessageHandler prevHandler = nullptr;
if (handler) {
prevHandler = qInstallMessageHandler(handler);
return prevHandler;
} else {
return qInstallMessageHandler(prevHandler);
}
}
///
/// \brief Print message according to given debug level.
///
/// \note Install this function using qInstallMsgHandler().
///
/// int main(int argc, char **argv) {
/// installMsgHandler(atbDebugOutput);
/// QApplication app(argc, argv);
/// ...
/// return app.exec();
/// }
///
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
void atbDebugOutput(QtMsgType type, const char *msg) {
switch (type) {
case QtDebugMsg: {
if (debugLevel <= QtDebugMsg) {
fprintf(stderr, "%*.*s Debug: %s\n", OUTPUT_LEN, OUTPUT_LEN,
QDateTime::currentDateTime().toString(Qt::ISODate).toStdString().c_str(), msg);
}
} break;
case QtInfoMsg: {
if (debugLevel <= QtInfoMsg) {
fprintf(stderr, "%*.*s Info: %s\n", OUTPUT_LEN, OUTPUT_LEN,
QDateTime::currentDateTime().toString(Qt::ISODate).toStdString().c_str(), msg);
}
} break;
case QtWarningMsg: {
if (debugLevel <= QtWarningMsg) {
fprintf(stderr, "%*.*s Warning: %s\n", OUTPUT_LEN, OUTPUT_LEN,
QDateTime::currentDateTime().toString(Qt::ISODate).toStdString().c_str(), msg);
}
} break;
case QtCriticalMsg: {
if (debugLevel <= QtCriticalMsg) {
fprintf(stderr, "%*.*s Critical: %s\n", OUTPUT_LEN, OUTPUT_LEN,
QDateTime::currentDateTime().toString(Qt::ISODate).toStdString().c_str(), msg);
}
} break;
case QtFatalMsg: {
if (debugLevel <= QtFatalMsg) {
fprintf(stderr, "%*.*s Fatal: %s\n", OUTPUT_LEN, OUTPUT_LEN,
QDateTime::currentDateTime().toString(Qt::ISODate).toStdString().c_str(), msg);
}
// abort();
} break;
default: {
fprintf(stderr, "%*.*s No ErrorLevel defined! %s\n", OUTPUT_LEN, OUTPUT_LEN,
QDateTime::currentDateTime().toString(Qt::ISODate).toStdString().c_str(), msg);
}
}
}
#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
void atbDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) {
static constexpr const char *format = "dd.MM.yyyy hh:mm:ss";
QByteArray localMsg = msg.toLocal8Bit();
const char *file = context.file ? context.file : "";
const char *function = context.function ? context.function : "";
const char *p = std::strstr(function, "::");
if (p) {
function = p + 2;
}
char const* output = std::strrchr(file, '/');
if (output) {
file = output + 1;
}
qint64 const currentMSecsSinceEpoch = QDateTime::currentMSecsSinceEpoch();
int const fractional_part = currentMSecsSinceEpoch % 1000;
QDateTime const datetime = QDateTime::fromMSecsSinceEpoch(currentMSecsSinceEpoch);
switch (type) {
case QtDebugMsg: {
if (debugLevel <= QtDebugMsg) {
// fprintf(stderr, "%*.*s CTX %s (%s:%u) ->\n", OUTPUT_LEN, OUTPUT_LEN,
// "", function, file, context.line);
//fprintf(stderr, "%*.*s.%03d DEBG %s\n", OUTPUT_LEN, OUTPUT_LEN,
// datetime.toString(format).toStdString().c_str(), fractional_part,
// localMsg.constData());
fprintf(stderr, "%*.*s.%03d DEBUG %s (%s:%u)\n", OUTPUT_LEN, OUTPUT_LEN,
datetime.toString(format).toStdString().c_str(), fractional_part,
localMsg.constData(), file, context.line);
}
} break;
case QtInfoMsg: {
if (debugLevel <= QtInfoMsg) {
fprintf(stderr, "%*.*s.%03d INFO %s (%s:%u)\n", OUTPUT_LEN, OUTPUT_LEN,
datetime.toString(format).toStdString().c_str(), fractional_part,
localMsg.constData(), file, context.line);
}
} break;
case QtWarningMsg: {
if (debugLevel <= QtWarningMsg) {
fprintf(stderr, "%*.*s.%03d WARN %s (%s:%u)\n", OUTPUT_LEN, OUTPUT_LEN,
datetime.toString(format).toStdString().c_str(), fractional_part,
localMsg.constData(), file, context.line);
}
} break;
case QtCriticalMsg: {
if (debugLevel <= QtCriticalMsg) {
fprintf(stderr, "%*.*s.%03d CRIT %s (%s:%u)\n", OUTPUT_LEN, OUTPUT_LEN,
datetime.toString(format).toStdString().c_str(), fractional_part,
localMsg.constData(), file, context.line);
}
} break;
case QtFatalMsg: {
if (debugLevel <= QtFatalMsg) {
fprintf(stderr, "%*.*s.%03d FATAL %s (%s:%u)\n", OUTPUT_LEN, OUTPUT_LEN,
datetime.toString(format).toStdString().c_str(), fractional_part,
localMsg.constData(), file, context.line);
}
} break;
default: {
fprintf(stderr, "%*.*s.%03d No ErrorLevel defined! %s\n", OUTPUT_LEN, OUTPUT_LEN,
datetime.toString(format).toStdString().c_str(), fractional_part,
msg.toStdString().c_str());
}
}
}
#endif