122 lines
4.5 KiB
C++
Executable File
122 lines
4.5 KiB
C++
Executable File
#include "message_handler.h"
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#include <QDateTime>
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#include <cstring>
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#include <QString>
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#include <QFileInfo>
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#include <QMessageLogContext>
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#define OUTPUT_LEN (1024*8)
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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) && 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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QString fileName(context.file ? context.file : "N/A");
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QString function(context.function ? context.function : "N/A");
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char buf[OUTPUT_LEN]{};
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memset(buf, 0x00, sizeof(buf));
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QString const datetime = QDateTime::currentDateTime().toString(Qt::ISODateWithMs);
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switch (type) {
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case QtDebugMsg: {
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if (debugLevel == QtDebugMsg) {
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snprintf(buf, sizeof(buf)-1, "%s DEBG [%s:%s:%04u] %s",
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datetime.toStdString().c_str(),
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function.toStdString().c_str(),
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fileName.toStdString().c_str(),
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context.line,
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localMsg.constData());
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fprintf(stderr, "%s\n", buf);
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}
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} break;
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case QtInfoMsg: {
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if (debugLevel == QtInfoMsg || debugLevel == QtDebugMsg) {
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snprintf(buf, sizeof(buf)-1, "%s DEBG [%s:%s:%04u] %s",
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datetime.toStdString().c_str(),
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function.toStdString().c_str(),
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fileName.toStdString().c_str(),
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context.line,
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localMsg.constData());
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fprintf(stderr, "%s\n", buf);
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}
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} break;
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case QtWarningMsg: {
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if (debugLevel == QtInfoMsg || debugLevel == QtDebugMsg || debugLevel == QtWarningMsg) {
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snprintf(buf, sizeof(buf)-1, "%s DEBG [%s:%s:%04u] %s",
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datetime.toStdString().c_str(),
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function.toStdString().c_str(),
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fileName.toStdString().c_str(),
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context.line,
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localMsg.constData());
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fprintf(stderr, "%s\n", buf);
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}
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} break;
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case QtCriticalMsg: {
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if (debugLevel == QtInfoMsg || debugLevel == QtDebugMsg
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|| debugLevel == QtWarningMsg || debugLevel == QtCriticalMsg) {
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snprintf(buf, sizeof(buf)-1, "%s DEBG [%s:%s:%04u] %s",
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datetime.toStdString().c_str(),
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function.toStdString().c_str(),
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fileName.toStdString().c_str(),
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context.line,
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localMsg.constData());
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fprintf(stderr, "%s\n", buf);
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}
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} break;
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case QtFatalMsg: {
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if (debugLevel == QtInfoMsg || debugLevel == QtDebugMsg
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|| debugLevel == QtWarningMsg || debugLevel == QtCriticalMsg
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|| debugLevel == QtFatalMsg) {
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snprintf(buf, sizeof(buf)-1, "%s DEBG [%s:%s:%04u] %s",
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datetime.toStdString().c_str(),
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function.toStdString().c_str(),
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fileName.toStdString().c_str(),
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context.line,
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localMsg.constData());
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fprintf(stderr, "%s\n", buf);
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}
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} break;
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default: {
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fprintf(stderr, "%s No ErrorLevel defined! %s\n",
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datetime.toStdString().c_str(), 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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