Improved loplugin:stringconstant (now that GCC 7 supports it): unoxml

Change-Id: If4445eabc4216d2fce7a08da85e806408064d7bb
Reviewed-on: https://gerrit.libreoffice.org/76630
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>

unoxml/source/dom/cdatasection.cxx

@@ -48,7 +48,7 @@ namespace DOM
 
     OUString SAL_CALL CCDATASection::getNodeName()
     {
-        return OUString( "#cdata-section" );
+        return "#cdata-section";
     }
 
     OUString SAL_CALL CCDATASection::getNodeValue()

unoxml/source/dom/comment.cxx

@@ -44,7 +44,7 @@ namespace DOM
 
     OUString SAL_CALL CComment::getNodeName()
     {
-        return OUString("#comment");
+        return "#comment";
     }
 
     OUString SAL_CALL CComment::getNodeValue()

unoxml/source/dom/document.cxx

@@ -906,7 +906,7 @@ namespace DOM
     OUString SAL_CALL CDocument::getNodeName()
     {
         // does not need mutex currently
-        return OUString("#document");
+        return "#document";
     }
 
     OUString SAL_CALL CDocument::getNodeValue()

unoxml/source/dom/documentbuilder.cxx

@@ -110,7 +110,7 @@ namespace DOM
 
     OUString CDocumentBuilder::_getImplementationName()
     {
-        return OUString(aImplementationName);
+        return aImplementationName;
     }
     Sequence<OUString> CDocumentBuilder::_getSupportedServiceNames()
     {

unoxml/source/dom/documentfragment.cxx

@@ -49,7 +49,7 @@ namespace DOM
 
     OUString SAL_CALL CDocumentFragment::getNodeName()
     {
-        return OUString("#document-fragment");
+        return "#document-fragment";
     }
     OUString SAL_CALL CDocumentFragment::getNodeValue()
     {

unoxml/source/dom/saxbuilder.cxx

@@ -51,7 +51,7 @@ namespace DOM
 
     OUString CSAXDocumentBuilder::_getImplementationName()
     {
-        return OUString(aImplementationName);
+        return aImplementationName;
     }
     Sequence<OUString> CSAXDocumentBuilder::_getSupportedServiceNames()
     {

unoxml/source/dom/text.cxx

@@ -60,7 +60,7 @@ namespace DOM
 
     OUString SAL_CALL CText::getNodeName()
     {
-        return OUString("#text");
+        return "#text";
     }
 
     Reference< XText > SAL_CALL CText::splitText(sal_Int32 /*offset*/)

unoxml/source/rdf/CBlankNode.cxx

@@ -113,7 +113,7 @@ OUString SAL_CALL CBlankNode::getStringValue()
 namespace comp_CBlankNode {
 
 OUString _getImplementationName() {
-    return OUString( "CBlankNode");
+    return "CBlankNode";
 }
 
 css::uno::Sequence< OUString > _getSupportedServiceNames()

unoxml/source/rdf/CLiteral.cxx

@@ -171,7 +171,7 @@ css::uno::Reference< css::rdf::XURI > SAL_CALL CLiteral::getDatatype()
 namespace comp_CLiteral {
 
 OUString _getImplementationName() {
-    return OUString( "CLiteral");
+    return "CLiteral";
 }
 
 css::uno::Sequence< OUString > _getSupportedServiceNames()

unoxml/source/rdf/CURI.cxx

@@ -794,8 +794,8 @@ OUString SAL_CALL CURI::getLocalName()
 namespace comp_CURI {
 
 OUString _getImplementationName() {
-    return OUString(
+    return
-        "CURI");
+        "CURI";
 }
 
 css::uno::Sequence< OUString > _getSupportedServiceNames()

unoxml/source/rdf/librdf_repository.cxx

@@ -2465,7 +2465,7 @@ librdf_TypeConverter::convertToStatement(librdf_statement* i_pStmt,
 namespace comp_librdf_Repository {
 
 OUString _getImplementationName() {
-    return OUString("librdf_Repository");
+    return "librdf_Repository";
 }
 
 uno::Sequence< OUString > _getSupportedServiceNames()

unoxml/source/xpath/xpathapi.cxx

@@ -67,7 +67,7 @@ namespace XPath
 
     OUString CXPathAPI::_getImplementationName()
     {
-        return OUString(aImplementationName);
+        return aImplementationName;
     }
 
     Sequence<OUString> CXPathAPI::_getSupportedServiceNames()