EngineType handling improved and JSON array support

src/luaengine/main.cpp

@@ -26,8 +26,10 @@
 
 int main(int argc, char *argv[])
 {
+#if QT_VERSION <= QT_VERSION_CHECK(6, 0, 0)
     QApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
     QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
+#endif
     QApplication a(argc, argv);
 
 #ifdef Q_OS_WIN
@@ -50,7 +52,7 @@ int main(int argc, char *argv[])
         QVariant scriptPath = arguments.first();
         QFile luaScript(scriptPath.toString());
         if (!luaScript.open(QIODevice::ReadOnly)) {
-            QTextStream(stderr) << "Error: Failed to open \"" << arguments.first().toString() << "\"." << endl;
+            QTextStream(stderr) << "Error: Failed to open \"" << arguments.first().toString() << "\"." << Qt::endl;
             return 1;
         }
 
@@ -61,22 +63,29 @@ int main(int argc, char *argv[])
             luaScript.reset();
         }
 
-        LuaEngineGui luaEngineGui;
+        LuaEngineGui luaEngineGui(LuaEngine::RuntimeEngineType);
         LuaEngineIO::pushClass(&luaEngineGui);
         LuaEngineNetwork::pushClass(&luaEngineGui);
         LuaEngineOS::pushClass(&luaEngineGui);
         luaEngineGui.pushVariant("_LuaEngineRT", rtPath);
         luaEngineGui.pushVariant("_LuaEngineMode", "GUI");
-        luaEngineGui.setProperty("EngineType", "Runtime");
         luaEngineGui.setProperty("ScriptPath", scriptPath);
         luaEngineGui.executeLuaScript(luaScript.readAll());
 
         if (luaEngineGui.executeLuaFunction("main", arguments, true)) {
             QVariant variant = luaEngineGui.returnVariant();
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+            if (variant.typeId() == QMetaType::Int || variant.typeId() == QMetaType::LongLong) {
+#else
             if (variant.type() == QVariant::Int || variant.type() == QVariant::LongLong) {
+#endif
                 return variant.toInt();
             }
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+            else if (variant.typeId() == QMetaType::QString) {
+#else
             else if (variant.type() == QVariant::String) {
+#endif
                 if (variant.toString() == "GuiExecuted" || variant.toString() == "CliExecuted") {
                     return a.exec();
                 }

src/luaengineapp/main.cpp

@@ -76,12 +76,11 @@ int main(int argc, char *argv[])
 #endif
 #endif
 
-    LuaEngineGui luaEngineGui;
+    LuaEngineGui luaEngineGui(LuaEngine::PortableEngineType);
     LuaEngineIO::pushClass(&luaEngineGui);
     LuaEngineNetwork::pushClass(&luaEngineGui);
     LuaEngineOS::pushClass(&luaEngineGui);
     luaEngineGui.pushVariant("_LuaEngineMode", "GUI");
-    luaEngineGui.setProperty("EngineType", "Portable");
     luaEngineGui.executeLuaScript(luaScript);
 
     QVariantList arguments;
@@ -91,10 +90,18 @@ int main(int argc, char *argv[])
 
     if (luaEngineGui.executeLuaFunction("main", arguments, true)) {
         const QVariant variant = luaEngineGui.returnVariant();
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+        if (variant.typeId() == QMetaType::Int || variant.typeId() == QMetaType::LongLong) {
+#else
         if (variant.type() == QVariant::Int || variant.type() == QVariant::LongLong) {
+#endif
             return variant.toInt();
         }
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+        else if (variant.typeId() == QMetaType::QString) {
+#else
         else if (variant.type() == QVariant::String) {
+#endif
             if (variant.toString() == "GuiExecuted" || variant.toString() == "CliExecuted") {
                 return a.exec();
             }

src/luaenginec/main.cpp

@@ -47,7 +47,7 @@ int main(int argc, char *argv[])
     QString outputFile;
     const QStringList args = parser.positionalArguments();
     if (args.length() < 1) {
-        QTextStream(stderr) << "Error: No input files." << endl;
+        QTextStream(stderr) << "Error: No input files." << Qt::endl;
         return 1;
     }
     else {
@@ -62,7 +62,7 @@ int main(int argc, char *argv[])
 
     QFile luaScript(inputFile);
     if (!luaScript.open(QIODevice::ReadOnly)) {
-        QTextStream(stderr) << "Error: Failed to open \"" << inputFile << "\"." << endl;
+        QTextStream(stderr) << "Error: Failed to open \"" << inputFile << "\"." << Qt::endl;
         return 1;
     }
 
@@ -75,13 +75,13 @@ int main(int argc, char *argv[])
 
     LuaEngine luaEngine;
     if (!luaEngine.loadLuaScript(luaScript.readAll())) {
-        QTextStream(stderr) << "Error: Failed to load \"" << inputFile << "\"." << endl;
+        QTextStream(stderr) << "Error: Failed to load \"" << inputFile << "\"." << Qt::endl;
         return 1;
     }
 
     QSaveFile outputSaveFile(outputFile);
     if (!outputSaveFile.open(QIODevice::WriteOnly)) {
-        QTextStream(stderr) << "Error: Failed to open \"" << outputFile << "\"." << endl;
+        QTextStream(stderr) << "Error: Failed to open \"" << outputFile << "\"." << Qt::endl;
         return 1;
     }
 
@@ -91,7 +91,7 @@ int main(int argc, char *argv[])
         if (!portableLuaEngine.open(QIODevice::ReadOnly)) {
             outputSaveFile.cancelWriting();
             outputSaveFile.commit();
-            QTextStream(stderr) << "Error: Failed to open \"" << pLuaEngine << "\"." << endl;
+            QTextStream(stderr) << "Error: Failed to open \"" << pLuaEngine << "\"." << Qt::endl;
             return 1;
         }
         outputSaveFile.write(portableLuaEngine.readAll());
@@ -106,7 +106,7 @@ int main(int argc, char *argv[])
         if (lengthArray.size() > 8) {
             outputSaveFile.cancelWriting();
             outputSaveFile.commit();
-            QTextStream(stderr) << "Error: Lua Engine script is too large." << endl;
+            QTextStream(stderr) << "Error: Lua Engine script is too large." << Qt::endl;
             return 1;
         }
         else {
@@ -119,7 +119,7 @@ int main(int argc, char *argv[])
     }
 
     if (!outputSaveFile.commit()) {
-        QTextStream(stderr) << "Error: Failed to write \"" << args.at(1) << "\"." << endl;
+        QTextStream(stderr) << "Error: Failed to write \"" << args.at(1) << "\"." << Qt::endl;
         return 1;
     }
 

src/luaenginecli/main.cpp

@@ -37,7 +37,7 @@ int main(int argc, char *argv[])
         QVariant scriptPath = arguments.first();
         QFile luaScript(scriptPath.toString());
         if (!luaScript.open(QIODevice::ReadOnly)) {
-            QTextStream(stderr) << "Error: Failed to open \"" << arguments.first().toString() << "\"." << endl;
+            QTextStream(stderr) << "Error: Failed to open \"" << arguments.first().toString() << "\"." << Qt::endl;
             return 1;
         }
 
@@ -48,22 +48,29 @@ int main(int argc, char *argv[])
             luaScript.reset();
         }
 
-        LuaEngine luaEngine;
+        LuaEngine luaEngine(LuaEngine::RuntimeEngineType);
         LuaEngineIO::pushClass(&luaEngine);
         LuaEngineNetwork::pushClass(&luaEngine);
         LuaEngineOS::pushClass(&luaEngine);
         luaEngine.pushVariant("_LuaEngineRT", rtPath);
         luaEngine.pushVariant("_LuaEngineMode", "CLI");
-        luaEngine.setProperty("EngineType", "Runtime");
         luaEngine.setProperty("ScriptPath", scriptPath);
         luaEngine.executeLuaScript(luaScript.readAll());
 
         if (luaEngine.executeLuaFunction("main", arguments, true)) {
             QVariant variant = luaEngine.returnVariant();
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+            if (variant.typeId() == QMetaType::Int || variant.typeId() == QMetaType::LongLong) {
+#else
             if (variant.type() == QVariant::Int || variant.type() == QVariant::LongLong) {
+#endif
                 return variant.toInt();
             }
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+            else if (variant.typeId() == QMetaType::QString) {
+#else
             else if (variant.type() == QVariant::String) {
+#endif
                 if (variant.toString() == "CliExecuted") {
                     return a.exec();
                 }

src/luaenginecore/luaengine/LuaEngine.cpp

@@ -1,6 +1,6 @@
 /*****************************************************************************
 * luaEngine Lua Engine for Qt
-* Copyright (C) 2018-2019 Syping
+* Copyright (C) 2018-2021 Syping
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -21,8 +21,12 @@
 #include <QCoreApplication>
 #include <QTextStream>
 #include <QMetaMethod>
-
 LuaEngine::LuaEngine(QObject *parent, bool loadBaseLibraries) : QObject(parent)
+{
+    LuaEngine(LuaEngineType::UnknownEngineType, parent, loadBaseLibraries);
+}
+
+LuaEngine::LuaEngine(LuaEngineType engineType, QObject *parent, bool loadBaseLibraries) : QObject(parent), p_engineType(engineType)
 {
     L = luaL_newstate();
     if (loadBaseLibraries)
@@ -53,6 +57,11 @@ lua_State* LuaEngine::luaState()
     return L;
 }
 
+LuaEngine::LuaEngineType LuaEngine::engineType()
+{
+    return p_engineType;
+}
+
 void LuaEngine::loadBaseLibraries()
 {
     luaL_openlibs(L);
@@ -148,7 +157,7 @@ bool LuaEngine::loadLuaScript(QIODevice *device, bool closeDevice)
 bool LuaEngine::executeLuaScript(const QByteArray &data)
 {
     if (loadLuaScript(data))
-        return (lua_pcall(L, 0, LUA_MULTRET, 0) == 0) ? true : false;
+        return (lua_pcall(L, 0, LUA_MULTRET, 0) == 0);
     return false;
 }
 
@@ -181,7 +190,7 @@ bool LuaEngine::executeLuaFunction(lua_State *L_p, const char *name, bool requir
 {
     int returnCount = (requireReturn) ? LUA_MULTRET : 0;
     lua_getglobal(L_p, name);
-    return (lua_pcall(L_p, 0, returnCount, 0) == 0) ? true : false;
+    return (lua_pcall(L_p, 0, returnCount, 0) == 0);
 }
 
 bool LuaEngine::executeLuaFunction(const char *name, const QVariant &argument, bool requireReturn)
@@ -194,7 +203,7 @@ bool LuaEngine::executeLuaFunction(lua_State *L_p, const char *name, const QVari
     int returnCount = (requireReturn) ? LUA_MULTRET : 0;
     lua_getglobal(L_p, name);
     pushVariant(L_p, argument);
-    return (lua_pcall(L_p, 1, returnCount, 0) == 0) ? true : false;
+    return (lua_pcall(L_p, 1, returnCount, 0) == 0);
 }
 
 bool LuaEngine::executeLuaFunction(const char *name, const QVariantList &args, bool requireReturn)
@@ -209,7 +218,7 @@ bool LuaEngine::executeLuaFunction(lua_State *L_p, const char *name, const QVari
     for (const QVariant &argument : args) {
         pushVariant(L_p, argument);
     }
-    return (lua_pcall(L_p, args.count(), returnCount, 0) == 0) ? true : false;
+    return (lua_pcall(L_p, args.count(), returnCount, 0) == 0);
 }
 
 void LuaEngine::pushFunction(const char *name, lua_CFunction function)
@@ -278,7 +287,7 @@ void LuaEngine::pushVariant(lua_State *L_p, const QVariant &variant)
         QStringList stringList = variant.toStringList();
         lua_createtable(L_p, 0, stringList.count());
         int currentId = 1;
-        for (const QString &string : stringList) {
+        for (const QString &string : qAsConst(stringList)) {
             lua_pushinteger(L_p, currentId);
             lua_pushstring(L_p, string.toUtf8().data());
             lua_settable(L_p, -3);
@@ -289,7 +298,7 @@ void LuaEngine::pushVariant(lua_State *L_p, const QVariant &variant)
         QVariantList variantList = variant.toList();
         lua_createtable(L_p, 0, variantList.count());
         int currentId = 1;
-        for (const QVariant &variant : variantList) {
+        for (const QVariant &variant : qAsConst(variantList)) {
             lua_pushinteger(L_p, currentId);
             pushVariant(L_p, variant);
             lua_settable(L_p, -3);
@@ -299,13 +308,10 @@ void LuaEngine::pushVariant(lua_State *L_p, const QVariant &variant)
     else if ((QMetaType::Type)variant.type() == QMetaType::QVariantMap) {
         QVariantMap variantMap = variant.toMap();
         lua_createtable(L_p, 0, variantMap.count());
-        QVariantMap::const_iterator it = variantMap.constBegin();
+        for (auto it = variantMap.constBegin(); it != variantMap.constEnd(); it++) {
-        QVariantMap::const_iterator end = variantMap.constEnd();
-        while (it != end) {
             lua_pushstring(L_p, it.key().toUtf8().data());
             pushVariant(L_p, it.value());
             lua_settable(L_p, -3);
-            it++;
         }
     }
     else if ((QMetaType::Type)variant.type() == QMetaType::Void || (QMetaType::Type)variant.type() == QMetaType::VoidStar) {
@@ -367,7 +373,7 @@ QVariant LuaEngine::getVariant(lua_State *L_p, int index)
     else if (lua_isnoneornil(L_p, index)) {
         return QVariant();
     }
-    QTextStream(stderr) << "Warning: Didn't catch lua_isnoneornil before empty QVariant got returned" << endl;
+    QTextStream(stderr) << "Warning: Didn't catch lua_isnoneornil before empty QVariant got returned" << Qt::endl;
     return QVariant();
 }
 
@@ -433,8 +439,7 @@ int LuaEngine::luaObjectDelete_p(lua_State *L_p)
     if (getArgumentCount(L_p) >= 1) {
         void *pointer = getPointer(L_p, 1);
         if (pointer != NULL) {
-            switch (getVariant(L_p, 2).toInt())
+            switch (getVariant(L_p, 2).toInt()) {
-            {
             case 1:
                 ((QObject*)pointer)->deleteLater();
                 break;

src/luaenginecore/luaengine/LuaEngine.h

@@ -1,6 +1,6 @@
 /*****************************************************************************
 * luaEngine Lua Engine for Qt
-* Copyright (C) 2018-2019 Syping
+* Copyright (C) 2018-2021 Syping
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -33,9 +33,12 @@ class LUAENGINESHARED_EXPORT LuaEngine : public QObject
 {
     Q_OBJECT
 public:
+    enum LuaEngineType : qint8 { RuntimeEngineType = 0, PortableEngineType = 1, UnknownEngineType = -1 };
     LuaEngine(QObject *parent = nullptr, bool loadBaseLibraries = true);
+    LuaEngine(LuaEngineType engineType, QObject *parent = nullptr, bool loadBaseLibraries = true);
     ~LuaEngine();
     lua_State* luaState();
+    LuaEngineType engineType();
     void loadBaseLibraries();
     QByteArray dumpLuaScript();
     bool loadLuaScript(const QByteArray &data);
@@ -75,6 +78,7 @@ public:
 
 private:
     lua_State *L;
+    LuaEngineType p_engineType;
     static int luaEngineWriter_p(lua_State *L_p, const void *buffer, size_t size, void *array);
     static int luaEngineQuit_p(lua_State *L_p);
     static int luaEngineVersion_p(lua_State *L_p);

src/luaenginecore/luaenginecore.pro

@@ -1,6 +1,6 @@
 #/*****************************************************************************
 #* luaEngine Lua Engine for Qt
-#* Copyright (C) 2018-2020 Syping
+#* Copyright (C) 2018-2021 Syping
 #*
 #* Licensed under the Apache License, Version 2.0 (the "License");
 #* you may not use this file except in compliance with the License.

src/luaenginegui/luaengine/LuaEngineGui.cpp

@@ -1,6 +1,6 @@
 /*****************************************************************************
 * luaEngine Lua Engine for Qt
-* Copyright (C) 2018-2020 Syping
+* Copyright (C) 2018-2021 Syping
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -54,8 +54,12 @@
 
 LuaEngineGui::LuaEngineGui(QObject *parent, bool loadBaseLibraries) : LuaEngine(parent, loadBaseLibraries)
 {
-    L = luaState();
+    pushClass(luaState());
-    pushClass(L);
+}
+
+LuaEngineGui::LuaEngineGui(LuaEngineType engineType, QObject *parent, bool loadBaseLibraries) : LuaEngine(engineType, parent, loadBaseLibraries)
+{
+    pushClass(luaState());
 }
 
 void LuaEngineGui::pushClass(lua_State *L_p)
@@ -223,7 +227,7 @@ int LuaEngineGui::updateUi(lua_State *L_p)
 int LuaEngineGui::showFileDialog(lua_State *L_p)
 {
     QWidget *parent = nullptr;
-    QString dialogTitle = "LuaEngine";
+    QString dialogTitle = QStringLiteral("LuaEngine");
     QString fileFormats = "All files (*)";
     QFileDialog::FileMode fileMode = QFileDialog::ExistingFile;
     QFileDialog::Options fileOptions;
@@ -288,7 +292,7 @@ int LuaEngineGui::showMessageBox(lua_State *L_p)
     if (getArgumentCount(L_p) >= 2) {
         QWidget *parent = nullptr;
         QString boxMessage = getVariant(L_p, 2).toString();
-        QString boxTitle = "LuaEngine";
+        QString boxTitle = QStringLiteral("LuaEngine");
         if (getArgumentCount(L_p) >= 3) {
             boxTitle = getVariant(L_p, 3).toString();
             if (getArgumentCount(L_p) >= 4) {
@@ -912,7 +916,7 @@ int LuaEngineGui::createCheckBox(lua_State *L_p)
 {
     QLayout *layout = nullptr;
     QWidget *parent = nullptr;
-    QString labelText = "LuaEngine";
+    QString labelText = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         labelText = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -932,7 +936,7 @@ int LuaEngineGui::createCheckBox(lua_State *L_p)
 int LuaEngineGui::createDialog(lua_State *L_p)
 {
     QWidget *parent = nullptr;
-    QString windowTitle = "LuaEngine";
+    QString windowTitle = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         windowTitle = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -958,7 +962,7 @@ int LuaEngineGui::createGroupBox(lua_State *L_p)
 {
     QLayout *layout = nullptr;
     QWidget *parent = nullptr;
-    QString groupBoxTitle = "LuaEngine";
+    QString groupBoxTitle = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         groupBoxTitle = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -979,7 +983,7 @@ int LuaEngineGui::createLabel(lua_State *L_p)
 {
     QLayout *layout = nullptr;
     QWidget *parent = nullptr;
-    QString labelInput = "LuaEngine";
+    QString labelInput = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         labelInput = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -1062,7 +1066,7 @@ int LuaEngineGui::createLineEdit(lua_State *L_p)
 {
     QLayout *layout = nullptr;
     QWidget *parent = nullptr;
-    QString editText = "LuaEngine";
+    QString editText = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         editText = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -1119,7 +1123,7 @@ int LuaEngineGui::createListView(lua_State *L_p)
 int LuaEngineGui::createMainWindow(lua_State *L_p)
 {
     QWidget *parent = nullptr;
-    QString windowTitle = "LuaEngine";
+    QString windowTitle = QStringLiteral("LuaEngine");
     bool centralWidget = true;
     if (getArgumentCount(L_p) >= 1) {
         windowTitle = getVariant(L_p, 1).toString();
@@ -1134,6 +1138,9 @@ int LuaEngineGui::createMainWindow(lua_State *L_p)
         }
     }
     QMainWindow *mainWindow = new QMainWindow(parent);
+#if QT_VERSION >= 0x050900
+    mainWindow->setWindowFlag(Qt::WindowContextHelpButtonHint, false);
+#endif
     mainWindow->setObjectName(nameForPointer(mainWindow));
     mainWindow->setWindowTitle(windowTitle);
     if (centralWidget) {
@@ -1238,7 +1245,7 @@ int LuaEngineGui::createPlainTextEdit(lua_State *L_p)
 {
     QLayout *layout = nullptr;
     QWidget *parent = nullptr;
-    QString editText = "LuaEngine";
+    QString editText = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         editText = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -1288,7 +1295,7 @@ int LuaEngineGui::createPushButton(lua_State *L_p)
 {
     QLayout *layout = nullptr;
     QWidget *parent = nullptr;
-    QString buttonText = "LuaEngine";
+    QString buttonText = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         buttonText = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -1309,7 +1316,7 @@ int LuaEngineGui::createRadioButton(lua_State *L_p)
 {
     QLayout *layout = nullptr;
     QWidget *parent = nullptr;
-    QString labelText = "LuaEngine";
+    QString labelText = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         labelText = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -1386,7 +1393,7 @@ int LuaEngineGui::createTextEdit(lua_State *L_p)
 {
     QLayout *layout = nullptr;
     QWidget *parent = nullptr;
-    QString editText = "LuaEngine";
+    QString editText = QStringLiteral("LuaEngine");
     if (getArgumentCount(L_p) >= 1) {
         editText = getVariant(L_p, 1).toString();
         if (getArgumentCount(L_p) >= 2) {
@@ -1640,8 +1647,8 @@ QWidget* LuaEngineGui::windowForObject(QObject *object)
 QString LuaEngineGui::pathForString(const QString &string, LuaEngine *engine)
 {
     if (QFileInfo(string).isRelative()) {
-        QString engineType = engine->property("EngineType").toString();
+        const LuaEngineType engineType = engine->engineType();
-        if (engineType == "Runtime") {
+        if (engineType == LuaEngineType::RuntimeEngineType) {
             QString scriptPath = engine->property("ScriptPath").toString();
             QString scriptDirPath = QFileInfo(scriptPath).canonicalPath();
             QString newImagePath = QString("%1/%2").arg(scriptDirPath, string);

src/luaenginegui/luaengine/LuaEngineGui.h

@@ -1,6 +1,6 @@
 /*****************************************************************************
 * luaEngine Lua Engine for Qt
-* Copyright (C) 2018-2020 Syping
+* Copyright (C) 2018-2021 Syping
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -30,6 +30,7 @@ class LUAENGINEGUISHARED_EXPORT LuaEngineGui : public LuaEngine
     Q_OBJECT
 public:
     LuaEngineGui(QObject *parent = nullptr, bool loadBaseLibraries = true);
+    LuaEngineGui(LuaEngineType engineType, QObject *parent = nullptr, bool loadBaseLibraries = true);
     static void pushClass(lua_State *L_p);
     static void pushClass(LuaEngine *luaEngine);
     static int updateUi(lua_State *L_p);
@@ -95,7 +96,6 @@ public:
     static int getWidgetPixelRatio(lua_State *L_p);
 
 private:
-    lua_State *L;
     static QWidget* windowForObject(QObject *object);
     static QString pathForString(const QString &string, LuaEngine *engine);
     static void lpForPointer(void *pointer, QLayout **layout, QWidget **parent);

src/luaengineio/luaengine/LuaEngineIO.cpp

@@ -1,6 +1,6 @@
 /*****************************************************************************
 * luaEngine Lua Engine for Qt
-* Copyright (C) 2019 Syping
+* Copyright (C) 2019-2021 Syping
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -291,9 +291,16 @@ int LuaEngineIO::linkFile(lua_State *L_p)
 int LuaEngineIO::jsonToTable(lua_State *L_p)
 {
     if (getArgumentCount(L_p) >= 1) {
-        pushVariant(L_p, QJsonDocument::fromJson(getVariant(L_p, 1).toString().toUtf8()).object().toVariantMap());
+        const QJsonDocument jsonDocument = QJsonDocument::fromJson(getVariant(L_p, 1).toString().toUtf8());
+        if (jsonDocument.isObject()) {
+            pushVariant(L_p, jsonDocument.object().toVariantMap());
             return 1;
         }
+        else if (jsonDocument.isArray()) {
+            pushVariant(L_p, jsonDocument.array().toVariantList());
+            return 1;
+        }
+    }
     return 0;
 }
 
@@ -302,7 +309,7 @@ int LuaEngineIO::tableToJson(lua_State *L_p)
     if (getArgumentCount(L_p) >= 1) {
         QJsonDocument::JsonFormat jsonFormat = QJsonDocument::Compact;
         if (getArgumentCount(L_p) >= 2) {
-            jsonFormat = (QJsonDocument::JsonFormat)getVariant(L_p, 2).toInt();
+            jsonFormat = static_cast<QJsonDocument::JsonFormat>(getVariant(L_p, 2).toInt());
         }
         pushVariant(L_p, QString::fromUtf8(QJsonDocument(QJsonObject::fromVariantMap(getVariant(L_p, 1).toMap())).toJson(jsonFormat)));
         return 1;

src/luaengineio/luaengineio.pro

@@ -1,6 +1,6 @@
 #/*****************************************************************************
 #* luaEngine Lua Engine for Qt
-#* Copyright (C) 2019-2020 Syping
+#* Copyright (C) 2019-2021 Syping
 #*
 #* Licensed under the Apache License, Version 2.0 (the "License");
 #* you may not use this file except in compliance with the License.