Test CRTP.

src/ATBAPP/ATBAPPplugin.h

@@ -7,6 +7,9 @@
 #include <QObject>
 #include <QStringList>
 
+class UnifiedDCVMCInterface;
+
+template <typename T>
 struct ATBAPPplugin {
     enum class PLUGIN_STATE : quint8 {
         NOT_INITIALIZED = 0,
@@ -54,14 +57,14 @@ struct ATBAPPplugin {
     }
 };
 
-using PLUGIN_STATE = ATBAPPplugin::PLUGIN_STATE;
-using RESULT_STATE = ATBAPPplugin::RESULT_STATE;
-using CASH_STATE = ATBAPPplugin::CASH_STATE;
-using TICKET_VARIANT = ATBAPPplugin::TICKET_VARIANT;
-using STEP = ATBAPPplugin::STEP;
-using TERMINAL_STATE = ATBAPPplugin::TERMINAL_STATE;
+using PLUGIN_STATE = ATBAPPplugin<UnifiedDCVMCInterface>::PLUGIN_STATE;
+using RESULT_STATE = ATBAPPplugin<UnifiedDCVMCInterface>::RESULT_STATE;
+using CASH_STATE = ATBAPPplugin<UnifiedDCVMCInterface>::CASH_STATE;
+using TICKET_VARIANT = ATBAPPplugin<UnifiedDCVMCInterface>::TICKET_VARIANT;
+using STEP = ATBAPPplugin<UnifiedDCVMCInterface>::STEP;
+using TERMINAL_STATE = ATBAPPplugin<UnifiedDCVMCInterface>::TERMINAL_STATE;
 
-Q_DECLARE_INTERFACE(ATBAPPplugin,
-                    "eu.atb.ptu.plugin.ATBAPPplugin/0.9")
+//Q_DECLARE_INTERFACE(ATBAPPplugin,
+//                    "eu.atb.ptu.plugin.ATBAPPplugin/0.9")
 
 #endif // ATBAPPPLUGIN_H

src/ATBAPP/ATBVMCPlugin.cpp

@@ -181,6 +181,18 @@ void ATBVMCPlugin::reset() {
 
 }
 
+QStringList ATBVMCPlugin::interfaces() const {
+    QStringList result;
+    int const count = this->metaObject()->classInfoCount();
+    for (int i = 0; i < count; ++i) {
+        QString const name(QString::fromLatin1(this->metaObject()->classInfo(i).name()));
+        QString const value(QString::fromLatin1(this->metaObject()->classInfo(i).value()));
+        if (name == "Interface") {
+            result << value;
+        }
+    }
+    return result;
+}
 
 #if QT_VERSION < 0x050000
 Q_EXPORT_PLUGIN2(ATBVMCPlugin, ATBVMCPlugin)

src/ATBAPP/ATBVMCPlugin.h

@@ -15,6 +15,7 @@ class ATBVMCPlugin : public VMCInterface {
     Q_OBJECT
 
     Q_INTERFACES(VMCInterface)
+    Q_CLASSINFO("Interface", "VMCInterface")
 
 #if QT_VERSION >= 0x050000
     Q_PLUGIN_METADATA(IID "eu.atb.ptu.plugin.ATBVMCPlugin")
@@ -42,6 +43,8 @@ public:
     // helpers e.g. for debug / log
     virtual QString const &getString(RESULT_STATE resultState) override;
 
+    QStringList interfaces() const;
+
 public slots:
     virtual void onChangedProgramModeToSELL() override;
     virtual void onChangedProgramModeToSERVICE() override;

src/ATBAPP/UnifiedDCVMCInterface.h

@@ -12,8 +12,9 @@
 #include "ATBAPPplugin.h"
 
 
-class UnifiedDCVMCInterface : public ATBAPPplugin {
-    Q_INTERFACES(ATBAPPplugin)
+class UnifiedDCVMCInterface : public ATBAPPplugin<UnifiedDCVMCInterface> {
+    //Q_INTERFACES(ATBAPPplugin)
+    //Q_CLASSINFO("Interface", "ATBAPPplugin")
 
 public:
     explicit UnifiedDCVMCInterface() = default;
@@ -44,7 +45,7 @@ public:
 
     virtual QString const &getString(RESULT_STATE resultState) = 0;
 
-public slots:
+//public slots:
     virtual void onChangedProgramModeToSELL() = 0;
     virtual void onChangedProgramModeToSERVICE() = 0;
     virtual void onChangedProgramModeToIDLE() = 0;
@@ -56,7 +57,7 @@ public slots:
     virtual void reset() = 0;
 };
 
-Q_DECLARE_INTERFACE(UnifiedDCVMCInterface,
-                    "eu.atb.ptu.plugin.UnifiedDCVMCInterface/1.0")
+//Q_DECLARE_INTERFACE(UnifiedDCVMCInterface,
+//                    "eu.atb.ptu.plugin.UnifiedDCVMCInterface/1.0")
 
 #endif // UNIFIED_DCVMC_INTERFACE_H_INCLUDED

src/ATBAPP/VMCInterface.h

@@ -20,8 +20,10 @@ namespace nsVMCInterface {
 class VMCInterface : public QObject, public UnifiedDCVMCInterface {
 
     Q_OBJECT
-    Q_INTERFACES(ATBAPPplugin UnifiedDCVMCInterface)
-
+    //Q_INTERFACES(ATBAPPplugin UnifiedDCVMCInterface)
+    //Q_INTERFACES(UnifiedDCVMCInterface)
+    //Q_CLASSINFO("Interface", "ATBAPPplugin")
+    //Q_CLASSINFO("Interface", "UnifiedDCVMCInterface")
 public:
 
     explicit VMCInterface(QObject *parent = nullptr) : QObject(parent) {}