Optimize string usage

Use QStringBuilder more.
Use QL1S directly, without QString construction.

Change-Id: Iad844391367681fc1013b9725403d009e7c346e6
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

2 files changed, 2 insertions, 4 deletions

diff --git a/src/gui/text/qtextdocumentfragment.cpp b/src/gui/text/qtextdocumentfragment.cpp
index a1a562c839..5727b34e86 100644
--- a/src/gui/text/qtextdocumentfragment.cpp
+++ b/src/gui/text/qtextdocumentfragment.cpp
@@ -428,7 +428,7 @@ QTextHtmlImporter::QTextHtmlImporter(QTextDocument *_doc, const QString &_html,
     QString html = _html;
     const int startFragmentPos = html.indexOf(QLatin1String("<!--StartFragment-->"));
     if (startFragmentPos != -1) {
-        QString qt3RichTextHeader(QLatin1String("<meta name=\"qrichtext\" content=\"1\" />"));
+        const QLatin1String qt3RichTextHeader("<meta name=\"qrichtext\" content=\"1\" />");
 
         // Hack for Qt3
         const bool hasQtRichtextMetaTag = html.contains(qt3RichTextHeader);
diff --git a/src/gui/text/qtexthtmlparser.cpp b/src/gui/text/qtexthtmlparser.cpp
index 50df8daa5e..7bca50325c 100644
--- a/src/gui/text/qtexthtmlparser.cpp
+++ b/src/gui/text/qtexthtmlparser.cpp
@@ -1438,9 +1438,7 @@ static void setWidthAttribute(QTextLength *width, const QString &valueStr)
 #ifndef QT_NO_CSSPARSER
 void QTextHtmlParserNode::parseStyleAttribute(const QString &value, const QTextDocument *resourceProvider)
 {
-    QString css = value;
-    css.prepend(QLatin1String("* {"));
-    css.append(QLatin1Char('}'));
+    const QString css = QLatin1String("* {") + value + QLatin1Char('}');
     QCss::Parser parser(css);
     QCss::StyleSheet sheet;
     parser.parse(&sheet, Qt::CaseInsensitive);