loplugin:oncevar: empty strings: xmloff

Change-Id: I2ac40424c252b24d78b849ca8b4bfe75d6f073cb

6 files changed, 10 insertions, 13 deletions

diff --git a/xmloff/source/core/XMLEmbeddedObjectExportFilter.cxx b/xmloff/source/core/XMLEmbeddedObjectExportFilter.cxx
index 355ec819e35a..5403ace544c7 100644
--- a/xmloff/source/core/XMLEmbeddedObjectExportFilter.cxx
+++ b/xmloff/source/core/XMLEmbeddedObjectExportFilter.cxx
@@ -133,8 +133,7 @@ void SAL_CALL XMLEmbeddedObjectExportFilter::initialize(
 // XServiceInfo
 OUString SAL_CALL XMLEmbeddedObjectExportFilter::getImplementationName()
 {
-    OUString aStr;
-    return aStr;
+    return OUString();
 }
 
 sal_Bool SAL_CALL XMLEmbeddedObjectExportFilter::supportsService( const OUString& ServiceName )
diff --git a/xmloff/source/draw/shapeexport.cxx b/xmloff/source/draw/shapeexport.cxx
index bb55ebe0ec9f..947c4d9bb42f 100644
--- a/xmloff/source/draw/shapeexport.cxx
+++ b/xmloff/source/draw/shapeexport.cxx
@@ -2331,8 +2331,7 @@ void XMLShapeExport::ImpExportGraphicObjectShape(
             }
             else
             {
-                OUString aStr;
-                mrExport.AddAttribute(XML_NAMESPACE_XLINK, XML_HREF, aStr );
+                mrExport.AddAttribute(XML_NAMESPACE_XLINK, XML_HREF, OUString() );
                 mrExport.AddAttribute(XML_NAMESPACE_XLINK, XML_TYPE, XML_SIMPLE );
                 mrExport.AddAttribute(XML_NAMESPACE_XLINK, XML_SHOW, XML_EMBED );
                 mrExport.AddAttribute(XML_NAMESPACE_XLINK, XML_ACTUATE, XML_ONLOAD );
diff --git a/xmloff/source/style/xmlnumfi.cxx b/xmloff/source/style/xmlnumfi.cxx
index c658de6d3a04..6f4ba5d86949 100644
--- a/xmloff/source/style/xmlnumfi.cxx
+++ b/xmloff/source/style/xmlnumfi.cxx
@@ -1393,7 +1393,6 @@ SvXMLNumFormatContext::SvXMLNumFormatContext( SvXMLImport& rImport,
     bDateNoDefault( false )
 {
     LanguageTagODF aLanguageTagODF;
-    OUString sNatNumAttrScript, sNatNumAttrRfcLanguageTag;
     css::i18n::NativeNumberXmlAttributes aNatNumAttr;
     bool bAttrBool(false);
 
@@ -1470,8 +1469,8 @@ SvXMLNumFormatContext::SvXMLNumFormatContext( SvXMLImport& rImport,
         SvNumberFormatter* pFormatter = pData->GetNumberFormatter();
         if ( pFormatter )
         {
-            LanguageTag aLanguageTag( sNatNumAttrRfcLanguageTag, aNatNumAttr.Locale.Language,
-                    sNatNumAttrScript, aNatNumAttr.Locale.Country);
+            LanguageTag aLanguageTag( OUString(), aNatNumAttr.Locale.Language,
+                    OUString(), aNatNumAttr.Locale.Country);
             aNatNumAttr.Locale = aLanguageTag.getLocale( false);
 
             sal_Int32 nNatNum = pFormatter->GetNatNum()->convertFromXmlAttributes( aNatNumAttr );
diff --git a/xmloff/source/text/XMLTextFrameContext.cxx b/xmloff/source/text/XMLTextFrameContext.cxx
index 4f332d25ab1c..838e80e1864d 100644
--- a/xmloff/source/text/XMLTextFrameContext.cxx
+++ b/xmloff/source/text/XMLTextFrameContext.cxx
@@ -762,7 +762,6 @@ void XMLTextFrameContext::removeGraphicFromImportContext(const SvXMLImportContex
 
 OUString XMLTextFrameContext::getGraphicURLFromImportContext(const SvXMLImportContext& rContext) const
 {
-    OUString aRetval;
     const XMLTextFrameContext_Impl* pXMLTextFrameContext_Impl = dynamic_cast< const XMLTextFrameContext_Impl* >(&rContext);
 
     if(pXMLTextFrameContext_Impl)
@@ -770,7 +769,7 @@ OUString XMLTextFrameContext::getGraphicURLFromImportContext(const SvXMLImportCo
         return pXMLTextFrameContext_Impl->GetHRef();
     }
 
-    return aRetval;
+    return OUString();
 }
 
 bool XMLTextFrameContext_Impl::CreateIfNotThere()
diff --git a/xmloff/source/text/txtparae.cxx b/xmloff/source/text/txtparae.cxx
index 9829030d9d17..fabf67802046 100644
--- a/xmloff/source/text/txtparae.cxx
+++ b/xmloff/source/text/txtparae.cxx
@@ -777,8 +777,10 @@ OUString XMLTextParagraphExport::FindTextStyleAndHyperlink(
                 aPropStates.erase( aSecondDel );
             aPropStates.erase( aFirstDel );
         }
-        OUString sParent; // AutoStyles should not have parents!
-        sName = GetAutoStylePool().Find( XML_STYLE_FAMILY_TEXT_TEXT, sParent, aPropStates );
+        sName = GetAutoStylePool().Find(
+            XML_STYLE_FAMILY_TEXT_TEXT,
+            OUString(), // AutoStyles should not have parents!
+            aPropStates );
         rbHasAutoStyle = true;
     }
 
diff --git a/xmloff/source/text/txtparai.cxx b/xmloff/source/text/txtparai.cxx
index 2bad8ab7f422..6f1b920fd7af 100644
--- a/xmloff/source/text/txtparai.cxx
+++ b/xmloff/source/text/txtparai.cxx
@@ -1215,8 +1215,7 @@ void XMLIndexMarkImportContext_Impl::GetServiceName(
         default:
         {
             SAL_WARN("xmloff.text", "unknown index mark type!");
-            OUString sTmp;
-            sServiceName = sTmp;
+            sServiceName = OUString();
             break;
         }
     }