Individual (per object) conversion as well as per unit (class) now possible, this is required for sexagesimal conversion (degrees) and will be required for geo-positions. Further classed for avionics.

src/blackmisc/aviobase.h

@@ -0,0 +1,66 @@
+#ifndef AVIOBASE_H
+#define AVIOBASE_H
+
+#include "blackmisc/pqconstants.h"
+
+namespace BlackMisc {
+
+/*!
+ * \brief Base class for avionics
+ */
+class CAvionicsBase
+{
+    /*!
+     * Stream operator for debugging
+     * \brief operator <<
+     * \param debug
+     * \param avionic
+     * \return
+     * \remarks Has to be in the header files to avoid template link errors
+     */
+    friend QDebug operator<<(QDebug debug, const CAvionicsBase &avionic) {
+        QString v = avionic.stringForStreamingOperator();
+        debug << v;
+        return debug;
+    }
+    /*!
+     * Stream operator for log messages
+     * \brief operator <<
+     * \param log
+     * \param avionic
+     * \return
+     * \remarks Has to be in the header files to avoid template link errors
+     */
+    friend CLogMessage operator<<(CLogMessage log, const CAvionicsBase &avionic) {
+        QString v = avionic.stringForStreamingOperator();
+        log << v;
+        return log;
+    }
+
+protected:
+    /*!
+     * \brief Default constructor
+     */
+    CAvionicsBase() {}
+    /*!
+     * \brief Meaningful string representation
+     * \return
+     */
+    virtual QString stringForStreamingOperator() const = 0;
+    /*!
+     * \brief Are the set values valid / in range
+     * \return
+     */
+    virtual bool validValues() { return true; }
+public:
+
+    /**
+     * @brief Virtual destructor
+     */
+    virtual ~CAvionicsBase() {}
+
+};
+
+} // namespace
+
+#endif // AVIOBASE_H