qdbusxml2cpp: port classNameForInterface() to QStringRef

... and QStringBuilder.

Found while fixing Q_FOREACH/foreach use in src/tools,
thus contains port to range-for as a drive-by.

Change-Id: I221bb8cb1f0fc3edeabfdb37d5d5a17551ee8d36
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

1 files changed, 6 insertions, 9 deletions

diff --git a/src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp b/src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp
index 513f36ae64..54050afbe6 100644
--- a/src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp
+++ b/src/tools/qdbusxml2cpp/qdbusxml2cpp.cpp
@@ -306,17 +306,14 @@ static QString classNameForInterface(const QString &interface, ClassType classTy
     if (!globalClassName.isEmpty())
         return globalClassName;
 
-    QStringList parts = interface.split(QLatin1Char('.'));
+    const auto parts = interface.splitRef(QLatin1Char('.'));
 
     QString retval;
-    if (classType == Proxy)
-        foreach (QString part, parts) {
-            part[0] = part[0].toUpper();
-            retval += part;
-        }
-    else {
-        retval = parts.last();
-        retval[0] = retval[0].toUpper();
+    if (classType == Proxy) {
+        for (const auto &part : parts)
+            retval += part[0].toUpper() + part.mid(1);
+    } else {
+        retval += parts.last()[0].toUpper() + parts.last().mid(1);
     }
 
     if (classType == Proxy)