QQmlProperty: use new QQmlPropertyCache::property() with QStringRef arg

Recude memory allocations.

Change-Id: I259e47e3c47a562817d1b9585a89c9f8a00260c0
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 4 insertions, 5 deletions

diff --git a/src/qml/qml/qqmlproperty.cpp b/src/qml/qml/qqmlproperty.cpp
index c62fef7c3d..df336f0803 100644
--- a/src/qml/qml/qqmlproperty.cpp
+++ b/src/qml/qml/qqmlproperty.cpp
@@ -285,7 +285,7 @@ void QQmlPropertyPrivate::initProperty(QObject *obj, const QString &name)
 
         QQmlPropertyData local;
         QQmlPropertyData *property =
-            QQmlPropertyCache::property(engine, currentObject, pathName.toString(), context, local);
+            QQmlPropertyCache::property(engine, currentObject, pathName, context, local);
 
         if (!property) return; // Not a property
         if (property->isFunction())
@@ -350,7 +350,7 @@ void QQmlPropertyPrivate::initProperty(QObject *obj, const QString &name)
 
             // Try property
             if (signalName.endsWith(QLatin1String("Changed"))) {
-                QString propName = signalName.mid(0, signalName.length() - 7);
+                const QStringRef propName = signalName.midRef(0, signalName.length() - 7);
                 QQmlPropertyData *d = ddata->propertyCache->property(propName, currentObject, context);
                 while (d && d->isFunction())
                     d = ddata->propertyCache->overrideData(d);
@@ -374,14 +374,13 @@ void QQmlPropertyPrivate::initProperty(QObject *obj, const QString &name)
     }
 
     // Property
-    const QString terminalString = terminal.toString();
     QQmlPropertyData local;
     QQmlPropertyData *property =
-        QQmlPropertyCache::property(engine, currentObject, terminalString, context, local);
+        QQmlPropertyCache::property(engine, currentObject, terminal, context, local);
     if (property && !property->isFunction()) {
         object = currentObject;
         core = *property;
-        nameCache = terminalString;
+        nameCache = terminal.toString();
         isNameCached = true;
     }
 }