Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Common/httq/include/httq/Logger.h

@@ -0,0 +1,51 @@
+#pragma once
+
+#include <httq/httq_export.h>
+
+#include <QScopedPointer>
+#include <QPointer>
+
+
+namespace httq
+{
+class Logger;
+
+
+class HTTQ_EXPORT LoggerFactory : public QObject
+{
+  Q_OBJECT
+
+public:
+  LoggerFactory(QObject *parent)
+    : QObject(parent)
+  {}
+
+  virtual Logger *createLogger(QObject *parent);
+};
+
+
+class HTTQ_EXPORT Logger : public QObject
+{
+  Q_OBJECT
+public:
+  Logger(LoggerFactory *loggerFactory, QObject *parent);
+
+  virtual void debug(const QString &message);
+  virtual void warning(const QString &message);
+  virtual void error(const QString &message);
+
+  virtual LoggerFactory *getLoggerFactory() const
+  {
+    Q_ASSERT(mLoggerFactory);
+    return mLoggerFactory;
+  }
+
+protected:
+  QPointer<LoggerFactory> mLoggerFactory;
+
+private:
+  QDebug qtLogger(const QString &type, QDebug debug);
+
+  QString mPath;
+};
+}