loplugin:stringviewparam extend to comparison operators

which means that some call sites have to change to use
unicode string literals i.e. u"foo" instead of "foo"

Change-Id: Ie51c3adf56d343dd1d1710777f9d2a43ee66221c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/106125
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

18 files changed, 49 insertions, 49 deletions

diff --git a/xmloff/inc/txtlists.hxx b/xmloff/inc/txtlists.hxx
index 1d335be473f9..0e77d60f2ec4 100644
--- a/xmloff/inc/txtlists.hxx
+++ b/xmloff/inc/txtlists.hxx
@@ -86,7 +86,7 @@ class XMLTextListsHelper
         void PushListOnStack( const OUString& sListId,
                               const OUString& sListStyleName );
         void PopListFromStack();
-        bool EqualsToTopListStyleOnStack( const OUString& sListId ) const;
+        bool EqualsToTopListStyleOnStack( std::u16string_view sListId ) const;
 
         /** for importing numbered-paragraph
             note that the ID namespace for numbered-paragraph and regular list
@@ -101,7 +101,7 @@ class XMLTextListsHelper
         /// get ID of the last numbered-paragraph iff it has given style-name
         OUString GetNumberedParagraphListId(
             const sal_uInt16 i_Level,
-            const OUString& i_StyleName);
+            std::u16string_view i_StyleName);
 
         /** Creates a NumRule from given style-name.
             @param i_rImport        the SvXMLImport
diff --git a/xmloff/source/chart/SchXMLAxisContext.cxx b/xmloff/source/chart/SchXMLAxisContext.cxx
index b4a6490e5a8d..d395fbae78f2 100644
--- a/xmloff/source/chart/SchXMLAxisContext.cxx
+++ b/xmloff/source/chart/SchXMLAxisContext.cxx
@@ -521,7 +521,7 @@ void SchXMLAxisContext::CreateAxis()
                 }
 
                 m_rbAxisPositionAttributeImported = m_rbAxisPositionAttributeImported || SchXMLTools::getPropertyFromContext(
-                    "CrossoverPosition", pPropStyleContext, pStylesCtxt ).hasValue();
+                    u"CrossoverPosition", pPropStyleContext, pStylesCtxt ).hasValue();
             }
         }
     }
diff --git a/xmloff/source/chart/SchXMLExport.cxx b/xmloff/source/chart/SchXMLExport.cxx
index 4c526f9b8236..af1f9e33bd4b 100644
--- a/xmloff/source/chart/SchXMLExport.cxx
+++ b/xmloff/source/chart/SchXMLExport.cxx
@@ -2275,7 +2275,7 @@ void disableLinkedNumberFormat(
     }
 
     // Entry not found.  Insert a new entry for this.
-    sal_Int32 nIndex = rMapper->GetEntryIndex(XML_NAMESPACE_CHART, "link-data-style-to-source", 0);
+    sal_Int32 nIndex = rMapper->GetEntryIndex(XML_NAMESPACE_CHART, u"link-data-style-to-source", 0);
     XMLPropertyState aState(nIndex);
     aState.maValue <<= false;
     rPropStates.push_back(aState);
diff --git a/xmloff/source/chart/SchXMLPlotAreaContext.cxx b/xmloff/source/chart/SchXMLPlotAreaContext.cxx
index 521fcb58ce41..d64cb89ec573 100644
--- a/xmloff/source/chart/SchXMLPlotAreaContext.cxx
+++ b/xmloff/source/chart/SchXMLPlotAreaContext.cxx
@@ -305,7 +305,7 @@ void SchXMLPlotAreaContext::StartElement( const uno::Reference< xml::sax::XAttri
                     //lines on/off
                     //this old property is not supported fully anymore with the new chart, so we need to get the information a little bit different from similar properties
                     mrSeriesDefaultsAndStyles.maLinesOnProperty = SchXMLTools::getPropertyFromContext(
-                        "Lines", pPropStyleContext, pStylesCtxt );
+                        u"Lines", pPropStyleContext, pStylesCtxt );
 
                     //handle automatic position and size
                     m_aOuterPositioning.readAutomaticPositioningProperties( pPropStyleContext, pStylesCtxt );
@@ -854,9 +854,9 @@ void SchXMLPositionAttributesHelper::readAutomaticPositioningProperties( XMLProp
     {
         //handle automatic position and size
         SchXMLTools::getPropertyFromContext(
-            "AutomaticSize", pPropStyleContext, pStylesCtxt ) >>= m_bAutoSize;
+            u"AutomaticSize", pPropStyleContext, pStylesCtxt ) >>= m_bAutoSize;
         SchXMLTools::getPropertyFromContext(
-            "AutomaticPosition", pPropStyleContext, pStylesCtxt ) >>= m_bAutoPosition;
+            u"AutomaticPosition", pPropStyleContext, pStylesCtxt ) >>= m_bAutoPosition;
     }
 }
 
@@ -1097,7 +1097,7 @@ void SetErrorBarPropertiesFromStyleName( const OUString& aStyleName, const uno::
     XMLPropStyleContext * pSeriesStyleContext =
         const_cast< XMLPropStyleContext * >( dynamic_cast< const XMLPropStyleContext * >( pStyle ));
 
-    uno::Any aAny = SchXMLTools::getPropertyFromContext("ErrorBarStyle",
+    uno::Any aAny = SchXMLTools::getPropertyFromContext(u"ErrorBarStyle",
             pSeriesStyleContext,pStylesCtxt);
 
     if ( !aAny.hasValue() )
@@ -1107,68 +1107,68 @@ void SetErrorBarPropertiesFromStyleName( const OUString& aStyleName, const uno::
     aAny >>= aBarStyle;
     xBarProp->setPropertyValue("ErrorBarStyle", aAny);
 
-    aAny = SchXMLTools::getPropertyFromContext("ShowPositiveError",
+    aAny = SchXMLTools::getPropertyFromContext(u"ShowPositiveError",
             pSeriesStyleContext,pStylesCtxt);
 
     if(aAny.hasValue())
         xBarProp->setPropertyValue("ShowPositiveError",aAny);
 
-    aAny = SchXMLTools::getPropertyFromContext("ShowNegativeError",
+    aAny = SchXMLTools::getPropertyFromContext(u"ShowNegativeError",
             pSeriesStyleContext,pStylesCtxt);
 
     if(aAny.hasValue())
         xBarProp->setPropertyValue("ShowNegativeError",aAny);
 
-    aAny = SchXMLTools::getPropertyFromContext("PositiveError",
+    aAny = SchXMLTools::getPropertyFromContext(u"PositiveError",
             pSeriesStyleContext, pStylesCtxt);
 
     if(aAny.hasValue())
         xBarProp->setPropertyValue("PositiveError", aAny);
     else
     {
-        aAny = SchXMLTools::getPropertyFromContext("ConstantErrorHigh",
+        aAny = SchXMLTools::getPropertyFromContext(u"ConstantErrorHigh",
                 pSeriesStyleContext, pStylesCtxt);
 
         if(aAny.hasValue())
             xBarProp->setPropertyValue("PositiveError", aAny);
     }
 
-    aAny = SchXMLTools::getPropertyFromContext("NegativeError",
+    aAny = SchXMLTools::getPropertyFromContext(u"NegativeError",
             pSeriesStyleContext, pStylesCtxt);
 
     if(aAny.hasValue())
         xBarProp->setPropertyValue("NegativeError", aAny);
     else
     {
-        aAny = SchXMLTools::getPropertyFromContext("ConstantErrorLow",
+        aAny = SchXMLTools::getPropertyFromContext(u"ConstantErrorLow",
                 pSeriesStyleContext, pStylesCtxt);
 
         if(aAny.hasValue())
             xBarProp->setPropertyValue("NegativeError", aAny);
     }
 
-    aAny = SchXMLTools::getPropertyFromContext("ErrorBarRangePositive",
+    aAny = SchXMLTools::getPropertyFromContext(u"ErrorBarRangePositive",
             pSeriesStyleContext, pStylesCtxt);
     if( aAny.hasValue() )
     {
         aAny >>= aPosRange;
     }
 
-    aAny = SchXMLTools::getPropertyFromContext("ErrorBarRangeNegative",
+    aAny = SchXMLTools::getPropertyFromContext(u"ErrorBarRangeNegative",
             pSeriesStyleContext, pStylesCtxt);
     if( aAny.hasValue() )
     {
         aAny >>= aNegRange;
     }
 
-    aAny = SchXMLTools::getPropertyFromContext("Weight",
+    aAny = SchXMLTools::getPropertyFromContext(u"Weight",
             pSeriesStyleContext, pStylesCtxt);
     if( aAny.hasValue() )
     {
         xBarProp->setPropertyValue("Weight", aAny);
     }
 
-    aAny = SchXMLTools::getPropertyFromContext("PercentageError",
+    aAny = SchXMLTools::getPropertyFromContext(u"PercentageError",
             pSeriesStyleContext, pStylesCtxt);
     if( aAny.hasValue() && aBarStyle == css::chart::ErrorBarStyle::RELATIVE )
     {
@@ -1180,12 +1180,12 @@ void SetErrorBarPropertiesFromStyleName( const OUString& aStyleName, const uno::
     {
         case css::chart::ErrorBarStyle::ERROR_MARGIN:
             {
-                aAny = SchXMLTools::getPropertyFromContext("NegativeError",
+                aAny = SchXMLTools::getPropertyFromContext(u"NegativeError",
                         pSeriesStyleContext,pStylesCtxt);
 
                 xBarProp->setPropertyValue("NegativeError",aAny);
 
-                aAny = SchXMLTools::getPropertyFromContext("PositiveError",
+                aAny = SchXMLTools::getPropertyFromContext(u"PositiveError",
                         pSeriesStyleContext,pStylesCtxt);
 
                 xBarProp->setPropertyValue("PositiveError",aAny);
diff --git a/xmloff/source/chart/SchXMLSeries2Context.cxx b/xmloff/source/chart/SchXMLSeries2Context.cxx
index 992a03d64113..939e2c3ae29c 100644
--- a/xmloff/source/chart/SchXMLSeries2Context.cxx
+++ b/xmloff/source/chart/SchXMLSeries2Context.cxx
@@ -165,7 +165,7 @@ void lcl_setSymbolSizeIfNeeded( const uno::Reference< beans::XPropertySet >& xSe
 void lcl_resetSymbolSizeForPointsIfNecessary( const uno::Reference< beans::XPropertySet >& xPointProp, const SvXMLImport& rImport
     , const XMLPropStyleContext * pPropStyleContext, const SvXMLStylesContext* pStylesCtxt )
 {
-    uno::Any aASymbolSize( SchXMLTools::getPropertyFromContext( "SymbolSize", pPropStyleContext, pStylesCtxt ) );
+    uno::Any aASymbolSize( SchXMLTools::getPropertyFromContext( u"SymbolSize", pPropStyleContext, pStylesCtxt ) );
     if( !aASymbolSize.hasValue() )
         lcl_setSymbolSizeIfNeeded( xPointProp, rImport );
 }
@@ -173,7 +173,7 @@ void lcl_resetSymbolSizeForPointsIfNecessary( const uno::Reference< beans::XProp
 void lcl_setLinkNumberFormatToSourceIfNeeded( const uno::Reference< beans::XPropertySet >& xPointProp
     , const XMLPropStyleContext* pPropStyleContext, const SvXMLStylesContext* pStylesCtxt )
 {
-    uno::Any aAny( SchXMLTools::getPropertyFromContext("LinkNumberFormatToSource", pPropStyleContext, pStylesCtxt) );
+    uno::Any aAny( SchXMLTools::getPropertyFromContext(u"LinkNumberFormatToSource", pPropStyleContext, pStylesCtxt) );
     if( aAny.hasValue() )
         return;
 
@@ -519,7 +519,7 @@ void SchXMLSeries2Context::StartElement( const uno::Reference< xml::sax::XAttrib
 
                 const XMLPropStyleContext* pPropStyleContext = dynamic_cast< const XMLPropStyleContext * >( pStyle );
 
-                uno::Any aASymbolSize( SchXMLTools::getPropertyFromContext( "SymbolSize"
+                uno::Any aASymbolSize( SchXMLTools::getPropertyFromContext( u"SymbolSize"
                     , pPropStyleContext, pStylesCtxt ) );
                 mbSymbolSizeIsMissingInFile = !aASymbolSize.hasValue();
             }
@@ -981,7 +981,7 @@ void SchXMLSeries2Context::setStylesToRegressionCurves(
                 if( pCurrent )
                 {
                     pPropStyleContext = pCurrent;
-                    uno::Any aAny = SchXMLTools::getPropertyFromContext("RegressionType", pPropStyleContext, pStylesCtxt);
+                    uno::Any aAny = SchXMLTools::getPropertyFromContext(u"RegressionType", pPropStyleContext, pStylesCtxt);
                     if ( aAny.hasValue() )
                     {
                         aAny >>= aServiceName;
@@ -995,7 +995,7 @@ void SchXMLSeries2Context::setStylesToRegressionCurves(
                 if( pCurrent )
                 {
                     pPropStyleContext = pCurrent;
-                    uno::Any aAny = SchXMLTools::getPropertyFromContext("RegressionType", pPropStyleContext, pStylesCtxt);
+                    uno::Any aAny = SchXMLTools::getPropertyFromContext(u"RegressionType", pPropStyleContext, pStylesCtxt);
                     if ( aAny.hasValue() )
                     {
                         aAny >>= aServiceName;
diff --git a/xmloff/source/chart/SchXMLTools.cxx b/xmloff/source/chart/SchXMLTools.cxx
index 6ac7475a1afd..4c2a94c2292b 100644
--- a/xmloff/source/chart/SchXMLTools.cxx
+++ b/xmloff/source/chart/SchXMLTools.cxx
@@ -524,7 +524,7 @@ void CreateCategories(
     }
 }
 
-uno::Any getPropertyFromContext( const OUString& rPropertyName, const XMLPropStyleContext* pPropStyleContext, const SvXMLStylesContext* pStylesCtxt )
+uno::Any getPropertyFromContext( std::u16string_view rPropertyName, const XMLPropStyleContext* pPropStyleContext, const SvXMLStylesContext* pStylesCtxt )
 {
     uno::Any aRet;
     if( !pPropStyleContext || !pStylesCtxt )
diff --git a/xmloff/source/chart/SchXMLTools.hxx b/xmloff/source/chart/SchXMLTools.hxx
index f57b41713ae1..f734faebaded 100644
--- a/xmloff/source/chart/SchXMLTools.hxx
+++ b/xmloff/source/chart/SchXMLTools.hxx
@@ -96,7 +96,7 @@ namespace SchXMLTools
         sal_Int32 nDimensionIndex,
         tSchXMLLSequencesPerIndex * pLSequencesPerIndex = nullptr );
 
-    css::uno::Any getPropertyFromContext( const OUString& rPropertyName, const XMLPropStyleContext * pPropStyleContext, const SvXMLStylesContext* pStylesCtxt );
+    css::uno::Any getPropertyFromContext( std::u16string_view rPropertyName, const XMLPropStyleContext * pPropStyleContext, const SvXMLStylesContext* pStylesCtxt );
 
     void exportText( SvXMLExport& rExport, const OUString& rText, bool bConvertTabsLFs );
 
diff --git a/xmloff/source/draw/XMLGraphicsDefaultStyle.cxx b/xmloff/source/draw/XMLGraphicsDefaultStyle.cxx
index 8795e0a7a645..c6c07e27ebcc 100644
--- a/xmloff/source/draw/XMLGraphicsDefaultStyle.cxx
+++ b/xmloff/source/draw/XMLGraphicsDefaultStyle.cxx
@@ -156,7 +156,7 @@ void XMLGraphicsDefaultStyle::SetDefaults()
             GetStyles()->GetImportPropertyMapper(GetFamily())
                 ->getPropertySetMapper());
         sal_Int32 const nStrokeIndex(
-            pImpPrMap->GetEntryIndex(XML_NAMESPACE_SVG, "stroke-color", 0));
+            pImpPrMap->GetEntryIndex(XML_NAMESPACE_SVG, u"stroke-color", 0));
         if (std::none_of(GetProperties().begin(), GetProperties().end(),
                          XMLPropertyByIndex(nStrokeIndex)))
         {
@@ -167,7 +167,7 @@ void XMLGraphicsDefaultStyle::SetDefaults()
         Color const nFillColor( bIsAOO4
             ? Color(0xCF, 0xE7, 0xF5) : Color(153, 204, 255));
         sal_Int32 const nFillIndex(
-            pImpPrMap->GetEntryIndex(XML_NAMESPACE_DRAW, "fill-color", 0));
+            pImpPrMap->GetEntryIndex(XML_NAMESPACE_DRAW, u"fill-color", 0));
         if (std::none_of(GetProperties().begin(), GetProperties().end(),
                          XMLPropertyByIndex(nFillIndex)))
         {
@@ -176,7 +176,7 @@ void XMLGraphicsDefaultStyle::SetDefaults()
         if (xInfo->hasPropertyByName("FillColor2"))
         {
             sal_Int32 const nFill2Index(pImpPrMap->GetEntryIndex(
-                        XML_NAMESPACE_DRAW, "secondary-fill-color", 0));
+                        XML_NAMESPACE_DRAW, u"secondary-fill-color", 0));
             if (std::none_of(GetProperties().begin(), GetProperties().end(),
                              XMLPropertyByIndex(nFill2Index)))
             {
diff --git a/xmloff/source/draw/sdxmlexp.cxx b/xmloff/source/draw/sdxmlexp.cxx
index f7c4410659ed..c7a6b44401aa 100644
--- a/xmloff/source/draw/sdxmlexp.cxx
+++ b/xmloff/source/draw/sdxmlexp.cxx
@@ -1271,9 +1271,9 @@ void SdXMLExport::ImpWritePageMasterInfos()
     }
 }
 
-ImpXMLEXPPageMasterInfo* SdXMLExport::ImpGetPageMasterInfoByName(const OUString& rName)
+ImpXMLEXPPageMasterInfo* SdXMLExport::ImpGetPageMasterInfoByName(std::u16string_view rName)
 {
-    if(!rName.isEmpty())
+    if(!rName.empty())
     {
         for(const auto & pInfo : mvPageMasterInfoList)
         {
diff --git a/xmloff/source/draw/sdxmlexp_impl.hxx b/xmloff/source/draw/sdxmlexp_impl.hxx
index c2c3f7a16c14..c350bf701e5a 100644
--- a/xmloff/source/draw/sdxmlexp_impl.hxx
+++ b/xmloff/source/draw/sdxmlexp_impl.hxx
@@ -122,7 +122,7 @@ class SdXMLExport : public SvXMLExport
     void ImpWritePageMasterInfos();
     void ImpPrepAutoLayoutInfos();
     HeaderFooterPageSettingsImpl ImpPrepDrawPageHeaderFooterDecls( const css::uno::Reference< css::drawing::XDrawPage >& xDrawPage );
-    ImpXMLEXPPageMasterInfo* ImpGetPageMasterInfoByName(const OUString& rName);
+    ImpXMLEXPPageMasterInfo* ImpGetPageMasterInfoByName(std::u16string_view rName);
 
     void ImpPrepDrawPageInfos();
     void ImpPrepMasterPageInfos();
diff --git a/xmloff/source/draw/ximpstyl.cxx b/xmloff/source/draw/ximpstyl.cxx
index 9e4fc706fe96..8cf89f450484 100644
--- a/xmloff/source/draw/ximpstyl.cxx
+++ b/xmloff/source/draw/ximpstyl.cxx
@@ -1102,7 +1102,7 @@ static bool canSkipReset(const OUString &rName, const XMLPropStyleContext* pProp
         bool bOldStyleTextAutoGrowHeight(false);
         rPropSet->getPropertyValue("TextAutoGrowHeight") >>= bOldStyleTextAutoGrowHeight;
 
-        sal_Int32 nIndexStyle = rPrMap->GetEntryIndex(XML_NAMESPACE_DRAW, "auto-grow-height", 0);
+        sal_Int32 nIndexStyle = rPrMap->GetEntryIndex(XML_NAMESPACE_DRAW, u"auto-grow-height", 0);
         if (nIndexStyle != -1)
         {
             const ::std::vector< XMLPropertyState > &rProperties = pPropStyle->GetProperties();
diff --git a/xmloff/source/forms/formcellbinding.cxx b/xmloff/source/forms/formcellbinding.cxx
index a32239ee551b..f27891c033a7 100644
--- a/xmloff/source/forms/formcellbinding.cxx
+++ b/xmloff/source/forms/formcellbinding.cxx
@@ -83,7 +83,7 @@ namespace
     public:
         explicit StringCompare( const OUString& _rReference ) : m_sReference( _rReference ) { }
 
-        bool operator()( const OUString& _rCompare )
+        bool operator()( std::u16string_view _rCompare )
         {
             return ( _rCompare == m_sReference );
         }
diff --git a/xmloff/source/style/xmlnumfi.cxx b/xmloff/source/style/xmlnumfi.cxx
index a7f9f1822cca..85c967eea110 100644
--- a/xmloff/source/style/xmlnumfi.cxx
+++ b/xmloff/source/style/xmlnumfi.cxx
@@ -77,7 +77,7 @@ public:
 
     SvNumberFormatter*      GetNumberFormatter() const  { return pFormatter; }
     const LocaleDataWrapper&    GetLocaleData( LanguageType nLang );
-    sal_uInt32              GetKeyForName( const OUString& rName );
+    sal_uInt32              GetKeyForName( std::u16string_view rName );
     void                    AddKey( sal_uInt32 nKey, const OUString& rName, bool bRemoveAfterUse );
     void                    SetUsed( sal_uInt32 nKey );
     void                    RemoveVolatileFormats();
@@ -292,7 +292,7 @@ SvXMLNumImpData::SvXMLNumImpData(
     SAL_WARN_IF( !rxContext.is(), "xmloff", "got no service manager" );
 }
 
-sal_uInt32 SvXMLNumImpData::GetKeyForName( const OUString& rName )
+sal_uInt32 SvXMLNumImpData::GetKeyForName( std::u16string_view rName )
 {
     for (const auto& rObj : m_NameEntries)
     {
diff --git a/xmloff/source/style/xmlprmap.cxx b/xmloff/source/style/xmlprmap.cxx
index 7d81ad0f3456..e6f8cd29ba4c 100644
--- a/xmloff/source/style/xmlprmap.cxx
+++ b/xmloff/source/style/xmlprmap.cxx
@@ -246,7 +246,7 @@ bool XMLPropertySetMapper::importXML(
 // If there is no matching entry the method returns -1
 sal_Int32 XMLPropertySetMapper::GetEntryIndex(
         sal_uInt16 nNamespace,
-        const OUString& rStrName,
+        std::u16string_view rStrName,
         sal_uInt32 nPropType,
         sal_Int32 nStartAt /* = -1 */ ) const
 {
@@ -306,7 +306,7 @@ sal_Int32 XMLPropertySetMapper::GetEntryIndex(
 sal_Int32 XMLPropertySetMapper::FindEntryIndex(
         const char* sApiName,
         sal_uInt16 nNameSpace,
-        const OUString& sXMLName ) const
+        std::u16string_view sXMLName ) const
 {
     sal_Int32 nIndex = 0;
     sal_Int32 nEntries = GetEntryCount();
diff --git a/xmloff/source/table/XMLTableExport.cxx b/xmloff/source/table/XMLTableExport.cxx
index 194f8e7121a1..a238bace6af5 100644
--- a/xmloff/source/table/XMLTableExport.cxx
+++ b/xmloff/source/table/XMLTableExport.cxx
@@ -417,7 +417,7 @@ static bool has_states( const std::vector< XMLPropertyState >& xPropStates )
 
 // ODF export for a table cell.
 
- void XMLTableExport::ExportCell( const Reference < XCell >& xCell, const std::shared_ptr< XMLTableInfo >& rTableInfo, const OUString& rDefaultCellStyle )
+ void XMLTableExport::ExportCell( const Reference < XCell >& xCell, const std::shared_ptr< XMLTableInfo >& rTableInfo, std::u16string_view rDefaultCellStyle )
  {
     bool bIsMerged = false;
     sal_Int32 nRowSpan = 0;
diff --git a/xmloff/source/text/txtexppr.cxx b/xmloff/source/text/txtexppr.cxx
index a381394cbb42..65cdf59b74ee 100644
--- a/xmloff/source/text/txtexppr.cxx
+++ b/xmloff/source/text/txtexppr.cxx
@@ -349,7 +349,7 @@ void XMLTextExportPropertySetMapper::ContextFontHeightFilter(
 namespace {
 
 // helper method; implementation below
-bool lcl_IsOutlineStyle(const SvXMLExport&, const OUString&);
+bool lcl_IsOutlineStyle(const SvXMLExport&, std::u16string_view);
 
 void
 lcl_checkMultiProperty(XMLPropertyState *const pState,
@@ -1173,7 +1173,7 @@ void XMLTextExportPropertySetMapper::ContextFilter(
 
 namespace {
 
-bool lcl_IsOutlineStyle(const SvXMLExport &rExport, const OUString & rName)
+bool lcl_IsOutlineStyle(const SvXMLExport &rExport, std::u16string_view rName)
 {
     Reference< XChapterNumberingSupplier >
         xCNSupplier(rExport.GetModel(), UNO_QUERY);
diff --git a/xmloff/source/text/txtimp.cxx b/xmloff/source/text/txtimp.cxx
index 2edf2d8f3f37..e5942678447c 100644
--- a/xmloff/source/text/txtimp.cxx
+++ b/xmloff/source/text/txtimp.cxx
@@ -1280,7 +1280,7 @@ static bool lcl_HasListStyle( const OUString& sStyleName,
                               const Reference < XNameContainer >& xParaStyles,
                               SvXMLImport const & rImport,
                               const OUString& sNumberingStyleName,
-                              const OUString& sOutlineStyleName )
+                              std::u16string_view sOutlineStyleName )
 {
     bool bRet( false );
 
@@ -1818,8 +1818,8 @@ OUString XMLTextImportHelper::SetStyleAndAttrs(
                 {
                     if ( !lcl_HasListStyle( sStyleName,
                                     m_xImpl->m_xParaStyles, GetXMLImport(),
-                                    "NumberingStyleName",
-                                    "" ) )
+                                    u"NumberingStyleName",
+                                    u"" ) )
                     {
                         // heading not in a list --> apply outline style
                         xPropSet->setPropertyValue( s_NumberingRules,
diff --git a/xmloff/source/text/txtlists.cxx b/xmloff/source/text/txtlists.cxx
index af53ad308d2f..b00852ce44be 100644
--- a/xmloff/source/text/txtlists.cxx
+++ b/xmloff/source/text/txtlists.cxx
@@ -299,7 +299,7 @@ void XMLTextListsHelper::PopListFromStack()
     }
 }
 
-bool XMLTextListsHelper::EqualsToTopListStyleOnStack( const OUString& sListId ) const
+bool XMLTextListsHelper::EqualsToTopListStyleOnStack( std::u16string_view sListId ) const
 {
     return mpListStack && sListId == mpListStack->back().second;
 }
@@ -307,12 +307,12 @@ bool XMLTextListsHelper::EqualsToTopListStyleOnStack( const OUString& sListId )
 OUString
 XMLTextListsHelper::GetNumberedParagraphListId(
     const sal_uInt16 i_Level,
-    const OUString& i_StyleName)
+    std::u16string_view i_StyleName)
 {
-    if (i_StyleName.isEmpty()) {
+    if (i_StyleName.empty()) {
         SAL_INFO("xmloff.text", "invalid numbered-paragraph: no style-name");
     }
-    if (!i_StyleName.isEmpty()
+    if (!i_StyleName.empty()
         && (i_Level < mLastNumberedParagraphs.size())
         && (mLastNumberedParagraphs[i_Level].first == i_StyleName) )
     {