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