Tools: replace QString::trimmed() with QStringRef::trimmed()

... where it's possible. Reduce allocations.

Change-Id: I9908d9d65177d116a8a54146274a74edb801543e
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

2 files changed, 3 insertions, 6 deletions

diff --git a/src/tools/uic/cpp/cppwriteincludes.cpp b/src/tools/uic/cpp/cppwriteincludes.cpp
index e93e6bb26c..a99d6adf07 100644
--- a/src/tools/uic/cpp/cppwriteincludes.cpp
+++ b/src/tools/uic/cpp/cppwriteincludes.cpp
@@ -291,9 +291,8 @@ void WriteIncludes::writeHeaders(const OrderedSet &headers, bool global)
         const StringMap::const_iterator hit = m_oldHeaderToNewHeader.constFind(sit.key());
         const bool mapped =  hit != m_oldHeaderToNewHeader.constEnd();
         const  QString header =  mapped ? hit.value() : sit.key();
-        if (!header.trimmed().isEmpty()) {
+        if (!QStringRef(&header).trimmed().isEmpty())
             m_output << "#include " << openingQuote << header << closingQuote << QLatin1Char('\n');
-        }
     }
 }
 
diff --git a/src/tools/uic/cpp/cppwriteinitialization.cpp b/src/tools/uic/cpp/cppwriteinitialization.cpp
index 7466da47f3..b996aa8e45 100644
--- a/src/tools/uic/cpp/cppwriteinitialization.cpp
+++ b/src/tools/uic/cpp/cppwriteinitialization.cpp
@@ -2473,10 +2473,8 @@ void WriteInitialization::acceptWidgetScripts(const DomScripts &widgetScripts, D
     QString script;
     for (const DomScript *domScript : qAsConst(scripts)) {
         const QString snippet = domScript->text();
-        if (!snippet.isEmpty()) {
-            script += snippet.trimmed();
-            script += QLatin1Char('\n');
-        }
+        if (!snippet.isEmpty())
+            script += QStringRef(&snippet).trimmed() + QLatin1Char('\n');
     }
     if (script.isEmpty())
         return;