added type security to settings
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parent
10b2f7b888
commit
615ac508d6
2 changed files with 26 additions and 4 deletions
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@ -37,6 +37,7 @@ public:
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explicit ScStwSettings(QObject *parent = nullptr);
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typedef QString(*keyToStringConverter)(int);
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typedef QVariant::Type(*keyToTypeConverter)(int);
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/*!
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* \brief The BaseStationSetting enum contains all settings of the base station that can be changed by a client
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@ -79,11 +80,26 @@ public:
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return QMetaEnum::fromType<BaseStationSetting>().valueToKey(key);
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}
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static QVariant::Type keyToType(int key) {
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QMap<BaseStationSetting, QVariant::Type> types = {
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{ReadySoundEnableSetting, QVariant::Bool},
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{ReadySoundDelaySetting, QVariant::Double},
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{AtYourMarksSoundEnableSetting, QVariant::Bool},
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{AtYourMarksSoundDelaySetting, QVariant::Double},
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{SoundVolumeSetting, QVariant::Double}
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};
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if(types.contains(BaseStationSetting(key)))
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return types[BaseStationSetting(key)];
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return QVariant::Invalid;
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}
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protected:
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virtual QVariant readSetting(QString key, int keyInt = -1, int keyLevel = -1);
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virtual bool writeSetting(QString key, QVariant value, int keyInt = -1,int keyLevel = -1);
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virtual bool setDefaultSetting(QString key, QVariant defaultValue, int keyInt,int keyLevel = -1);
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bool registerKeyLevelHandler(int keyLevel, keyToStringConverter);
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bool registerKeyLevelConverters(int keyLevel, keyToStringConverter, keyToTypeConverter);
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private:
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QFile * settingsFile;
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@ -113,6 +129,7 @@ private:
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};
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QMap<int, keyToStringConverter> keyToStringConverters;
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QMap<int, keyToTypeConverter> keyToTypeConverters;
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QMap<int, QMap<int, ScStwSettingInternal*>> internalSettingHandlers;
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private slots:
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@ -35,7 +35,7 @@ ScStwSettings::ScStwSettings(QObject *parent) : QObject(parent)
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connect(this, &ScStwSettings::settingChanged, this, &ScStwSettings::writeSettingsToFile);
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this->registerKeyLevelHandler(ScStwSettings::KeyLevel, &ScStwSettings::keyToString);
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this->registerKeyLevelConverters(ScStwSettings::KeyLevel, &ScStwSettings::keyToString, &ScStwSettings::keyToType);
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}
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QVariant ScStwSettings::readSetting(BaseStationSetting key) {
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@ -78,6 +78,10 @@ QVariant ScStwSettings::readSetting(QString key, int keyInt, int keyLevel) {
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}
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bool ScStwSettings::writeSetting(QString key, QVariant value, int keyInt, int keyLevel) {
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if(!this->keyToTypeConverters.contains(keyInt) || !value.convert(this->keyToTypeConverters[keyLevel](keyInt)) || value.type() == QVariant::Invalid) {
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return false;
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}
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if(!this->settingsCache.contains(key))
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this->settingsCache.insert(key, value);
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else if (this->settingsCache[key] == value)
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@ -106,11 +110,12 @@ ScStwSetting * ScStwSettings::getSetting(int key, int keyLevel) {
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return this->internalSettingHandlers[keyLevel][key];
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}
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bool ScStwSettings::registerKeyLevelHandler(int keyLevel, keyToStringConverter converterFunction) {
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bool ScStwSettings::registerKeyLevelConverters(int keyLevel, keyToStringConverter keyToStringConverterFunction, keyToTypeConverter keyToTypeConverterFunction) {
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if(this->keyToStringConverters.contains(keyLevel))
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return false;
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this->keyToStringConverters.insert(keyLevel, converterFunction);
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this->keyToStringConverters.insert(keyLevel, keyToStringConverterFunction);
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this->keyToTypeConverters.insert(keyLevel, keyToTypeConverterFunction);
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return true;
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}
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