Added Logger class acting as threadsafe wrapper for QDebug

cli/logger.cpp

@@ -0,0 +1,38 @@
+#include <QMutexLocker>
+#include "logger.h"
+
+Logger::Logger(QFile *file)
+{
+    out = new QDebug(file);
+    this->file = file;
+}
+
+Logger::Logger(Logger &&o)
+{
+    this->out = o.out;
+    o.out = nullptr;
+}
+
+Logger &Logger::error()
+{
+    static Logger result  = []{
+        QFile *file = new QFile();
+        file->open(stderr, QIODevice::WriteOnly);
+        return Logger(file);
+    }();
+    return result;
+}
+
+Logger &Logger::info()
+{
+    static Logger result  = []{
+        QFile *file = new QFile();
+        file->open(stdout, QIODevice::WriteOnly);
+        return Logger(file);
+    }();
+    return result;
+}
+
+
+
+

cli/logger.h

@@ -0,0 +1,46 @@
+#ifndef LOGGER_H
+#define LOGGER_H
+#include <QFile>
+#include <QDebug>
+#include <QMutex>
+class Logger
+{
+private:
+    QDebug *out;
+    QMutex mutex;
+    QFile *file;
+public:
+    Logger(QFile *file);
+    Logger(Logger &&o);
+
+    template<class T>
+    Logger &operator <<(const T &val)
+    {
+        QMutexLocker locker(&this->mutex);
+        *out << val;
+        file->flush();
+        return *this;
+    }
+
+    template<class T>
+    Logger &operator <<(const T *val)
+    {
+        QMutexLocker locker(&this->mutex);
+        *out << val;
+        file->flush();
+        return *this;
+    }
+
+    ~Logger()
+    {
+        delete out;
+    }
+
+
+
+    static Logger& error();
+
+    static Logger& info();
+};
+
+#endif // LOGGER_H