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>

61 files changed, 104 insertions, 104 deletions

diff --git a/sw/source/core/crsr/crstrvl.cxx b/sw/source/core/crsr/crstrvl.cxx
index 7e27e1ee899a..a41f3ae86799 100644
--- a/sw/source/core/crsr/crstrvl.cxx
+++ b/sw/source/core/crsr/crstrvl.cxx
@@ -2011,7 +2011,7 @@ bool SwCursorShell::GotoINetAttr( const SwTextINetFormat& rAttr )
     return bRet;
 }
 
-const SwFormatINetFormat* SwCursorShell::FindINetAttr( const OUString& rName ) const
+const SwFormatINetFormat* SwCursorShell::FindINetAttr( std::u16string_view rName ) const
 {
     return mxDoc->FindINetAttr( rName );
 }
diff --git a/sw/source/core/crsr/trvlreg.cxx b/sw/source/core/crsr/trvlreg.cxx
index 190edf13f0a8..07d9061672aa 100644
--- a/sw/source/core/crsr/trvlreg.cxx
+++ b/sw/source/core/crsr/trvlreg.cxx
@@ -242,7 +242,7 @@ bool SwCursorShell::MoveRegion( SwWhichRegion fnWhichRegion, SwMoveFnCollection
     return bRet;
 }
 
-bool SwCursor::GotoRegion( const OUString& rName )
+bool SwCursor::GotoRegion( std::u16string_view rName )
 {
     bool bRet = false;
     const SwSectionFormats& rFormats = GetDoc().GetSections();
@@ -267,7 +267,7 @@ bool SwCursor::GotoRegion( const OUString& rName )
     return bRet;
 }
 
-bool SwCursorShell::GotoRegion( const OUString& rName )
+bool SwCursorShell::GotoRegion( std::u16string_view rName )
 {
     SwCallLink aLk( *this ); // watch Cursor-Moves;call Link if needed
     bool bRet = !m_pTableCursor && m_pCurrentCursor->GotoRegion( rName );
diff --git a/sw/source/core/doc/doc.cxx b/sw/source/core/doc/doc.cxx
index c971d32f4ac9..9b3b3bb70991 100644
--- a/sw/source/core/doc/doc.cxx
+++ b/sw/source/core/doc/doc.cxx
@@ -1043,7 +1043,7 @@ void SwDoc::CalculatePagePairsForProspectPrinting(
 }
 
 /// @return the reference in the doc for the name
-const SwFormatRefMark* SwDoc::GetRefMark( const OUString& rName ) const
+const SwFormatRefMark* SwDoc::GetRefMark( std::u16string_view rName ) const
 {
     for (const SfxPoolItem* pItem : GetAttrPool().GetItemSurrogates(RES_TXTATR_REFMARK))
     {
@@ -1200,7 +1200,7 @@ void SwDoc::InvalidateAutoCompleteFlag()
         aLayout->SetIdleFlags();
 }
 
-const SwFormatINetFormat* SwDoc::FindINetAttr( const OUString& rName ) const
+const SwFormatINetFormat* SwDoc::FindINetAttr( std::u16string_view rName ) const
 {
     for (const SfxPoolItem* pItem : GetAttrPool().GetItemSurrogates(RES_TXTATR_INETFMT))
     {
diff --git a/sw/source/core/doc/docchart.cxx b/sw/source/core/doc/docchart.cxx
index 0e2cef59555b..053fbad4f3ee 100644
--- a/sw/source/core/doc/docchart.cxx
+++ b/sw/source/core/doc/docchart.cxx
@@ -117,7 +117,7 @@ void SwDoc::UpdateCharts_( const SwTable& rTable, SwViewShell const & rVSh ) con
     }
 }
 
-void SwDoc::UpdateCharts( const OUString &rName ) const
+void SwDoc::UpdateCharts( std::u16string_view rName ) const
 {
     SwTable* pTmpTable = SwTable::FindTable( FindTableFormatByName( rName ) );
     if( pTmpTable )
diff --git a/sw/source/core/doc/docfmt.cxx b/sw/source/core/doc/docfmt.cxx
index a27aad094ce2..281e9cb9de64 100644
--- a/sw/source/core/doc/docfmt.cxx
+++ b/sw/source/core/doc/docfmt.cxx
@@ -731,7 +731,7 @@ void SwDoc::DelTableFrameFormat( SwTableFormat *pFormat )
     delete pFormat;
 }
 
-SwFrameFormat* SwDoc::FindFrameFormatByName( const OUString& rName ) const
+SwFrameFormat* SwDoc::FindFrameFormatByName( std::u16string_view rName ) const
 {
     return static_cast<SwFrameFormat*>(FindFormatByName( static_cast<SwFormatsBase&>(*mpFrameFormatTable), rName ));
 }
@@ -1608,7 +1608,7 @@ void SwDoc::ReplaceStyles( const SwDoc& rSource, bool bIncludePageStyles )
 }
 
 SwFormat* SwDoc::FindFormatByName( const SwFormatsBase& rFormatArr,
-                                   const OUString& rName )
+                                   std::u16string_view rName )
 {
     SwFormat* pFnd = nullptr;
     for( size_t n = 0; n < rFormatArr.GetFormatCount(); ++n )
diff --git a/sw/source/core/doc/docglbl.cxx b/sw/source/core/doc/docglbl.cxx
index b933843ff6b3..176a1a2a443c 100644
--- a/sw/source/core/doc/docglbl.cxx
+++ b/sw/source/core/doc/docglbl.cxx
@@ -207,7 +207,7 @@ bool SwDoc::SplitDoc( sal_uInt16 eDocType, const OUString& rPath, bool bOutline,
     switch( eDocType )
     {
     case SPLITDOC_TO_HTML:
-        pFilter = SwIoSystem::GetFilterOfFormat("HTML");
+        pFilter = SwIoSystem::GetFilterOfFormat(u"HTML");
         break;
 
     default:
diff --git a/sw/source/core/doc/docnum.cxx b/sw/source/core/doc/docnum.cxx
index d84574375112..29905b64a246 100644
--- a/sw/source/core/doc/docnum.cxx
+++ b/sw/source/core/doc/docnum.cxx
@@ -2402,7 +2402,7 @@ SwNumRule* SwDoc::GetNumRuleAtPos(SwPosition& rPos,
     return pRet;
 }
 
-sal_uInt16 SwDoc::FindNumRule( const OUString& rName ) const
+sal_uInt16 SwDoc::FindNumRule( std::u16string_view rName ) const
 {
     for( sal_uInt16 n = mpNumRuleTable->size(); n; )
         if( (*mpNumRuleTable)[ --n ]->GetName() == rName )
diff --git a/sw/source/core/doc/tblafmt.cxx b/sw/source/core/doc/tblafmt.cxx
index 2289b2290f3e..558c8d6f827d 100644
--- a/sw/source/core/doc/tblafmt.cxx
+++ b/sw/source/core/doc/tblafmt.cxx
@@ -992,7 +992,7 @@ std::unique_ptr<SwTableAutoFormat> SwTableAutoFormatTable::ReleaseAutoFormat(con
     return pRet;
 }
 
-SwTableAutoFormat* SwTableAutoFormatTable::FindAutoFormat(const OUString& rName) const
+SwTableAutoFormat* SwTableAutoFormatTable::FindAutoFormat(std::u16string_view rName) const
 {
     for (const auto &rFormat : m_pImpl->m_AutoFormats)
     {
@@ -1218,7 +1218,7 @@ OUString SwCellStyleTable::GetBoxFormatName(const SwBoxAutoFormat& rBoxFormat) c
     return OUString();
 }
 
-SwBoxAutoFormat* SwCellStyleTable::GetBoxFormat(const OUString& sName) const
+SwBoxAutoFormat* SwCellStyleTable::GetBoxFormat(std::u16string_view sName) const
 {
     for (size_t i=0; i < m_aCellStyles.size(); ++i)
     {
@@ -1229,7 +1229,7 @@ SwBoxAutoFormat* SwCellStyleTable::GetBoxFormat(const OUString& sName) const
     return nullptr;
 }
 
-void SwCellStyleTable::ChangeBoxFormatName(const OUString& sFromName, const OUString& sToName)
+void SwCellStyleTable::ChangeBoxFormatName(std::u16string_view sFromName, const OUString& sToName)
 {
     if (!GetBoxFormat(sToName))
     {
diff --git a/sw/source/core/docnode/ndtbl.cxx b/sw/source/core/docnode/ndtbl.cxx
index acca43916522..5321d026b2ba 100644
--- a/sw/source/core/docnode/ndtbl.cxx
+++ b/sw/source/core/docnode/ndtbl.cxx
@@ -3944,7 +3944,7 @@ OUString SwDoc::GetUniqueTableName() const
     return aName + OUString::number( ++nNum );
 }
 
-SwTableFormat* SwDoc::FindTableFormatByName( const OUString& rName, bool bAll ) const
+SwTableFormat* SwDoc::FindTableFormatByName( std::u16string_view rName, bool bAll ) const
 {
     const SwFormat* pRet = nullptr;
     if( bAll )
@@ -4441,7 +4441,7 @@ bool SwDoc::UnProtectTableCells( SwTable& rTable )
     return bChgd;
 }
 
-void SwDoc::UnProtectCells( const OUString& rName )
+void SwDoc::UnProtectCells( std::u16string_view rName )
 {
     SwTableFormat* pFormat = FindTableFormatByName( rName );
     if( pFormat )
diff --git a/sw/source/core/edit/edfcol.cxx b/sw/source/core/edit/edfcol.cxx
index 49d7e26e9acc..f6b1291bee99 100644
--- a/sw/source/core/edit/edfcol.cxx
+++ b/sw/source/core/edit/edfcol.cxx
@@ -135,7 +135,7 @@ std::vector<OUString> lcl_getUsedPageStyles(SwViewShell const * pShell)
 }
 
 /// Search for a field named rFieldName of type rServiceName in xText and return it.
-uno::Reference<text::XTextField> lcl_findField(const uno::Reference<text::XText>& xText, const OUString& rServiceName, const OUString& rFieldName)
+uno::Reference<text::XTextField> lcl_findField(const uno::Reference<text::XText>& xText, const OUString& rServiceName, std::u16string_view rFieldName)
 {
     uno::Reference<text::XTextField> xField;
     uno::Reference<container::XEnumerationAccess> xParagraphEnumerationAccess(xText, uno::UNO_QUERY);
@@ -172,7 +172,7 @@ uno::Reference<text::XTextField> lcl_findField(const uno::Reference<text::XText>
 }
 
 /// Search for a field named rFieldName of type rServiceName in xText and return true iff found.
-bool lcl_hasField(const uno::Reference<text::XText>& xText, const OUString& rServiceName, const OUString& rFieldName)
+bool lcl_hasField(const uno::Reference<text::XText>& xText, const OUString& rServiceName, std::u16string_view rFieldName)
 {
     return lcl_findField(xText, rServiceName, rFieldName).is();
 }
@@ -314,7 +314,7 @@ bool lcl_IsParagraphSignatureField(const uno::Reference<frame::XModel>& xModel,
 uno::Reference<text::XTextField> lcl_findFieldByRDF(const uno::Reference<frame::XModel>& xModel,
                                                     const uno::Reference<text::XTextContent>& xParagraph,
                                                     const OUString& sRDFName,
-                                                    const OUString& sRDFValue)
+                                                    std::u16string_view sRDFValue)
 {
     uno::Reference<container::XEnumerationAccess> xTextPortionEnumerationAccess(xParagraph, uno::UNO_QUERY);
     if (!xTextPortionEnumerationAccess.is())
@@ -339,7 +339,7 @@ uno::Reference<text::XTextField> lcl_findFieldByRDF(const uno::Reference<frame::
 
         uno::Reference<text::XTextField> xField(xTextField, uno::UNO_QUERY);
         const std::pair<OUString, OUString> pair = lcl_getRDF(xModel, xField, sRDFName);
-        if (pair.first == sRDFName && (sRDFValue.isEmpty() || sRDFValue == pair.second))
+        if (pair.first == sRDFName && (sRDFValue.empty() || sRDFValue == pair.second))
             return xField;
     }
 
@@ -532,15 +532,15 @@ void lcl_RemoveParagraphMetadataField(const uno::Reference<css::text::XTextField
 /// Note: must have associated RDF, since classifications are otherwise just metadata fields.
 bool lcl_IsParagraphClassificationField(const uno::Reference<frame::XModel>& xModel,
                                         const uno::Reference<css::text::XTextField>& xField,
-                                        const OUString& sKey)
+                                        std::u16string_view sKey)
 {
     const std::pair<OUString, OUString> rdfPair = lcl_getRDF(xModel, xField, ParagraphClassificationNameRDFName);
-    return rdfPair.first == ParagraphClassificationNameRDFName && (sKey.isEmpty() || rdfPair.second == sKey);
+    return rdfPair.first == ParagraphClassificationNameRDFName && (sKey.empty() || rdfPair.second == sKey);
 }
 
 uno::Reference<text::XTextField> lcl_FindParagraphClassificationField(const uno::Reference<frame::XModel>& xModel,
                                                                       const uno::Reference<text::XTextContent>& xParagraph,
-                                                                      const OUString& sKey = OUString())
+                                                                      std::u16string_view sKey = u"")
 {
     uno::Reference<text::XTextField> xTextField;
 
@@ -1113,7 +1113,7 @@ void SwEditShell::SetClassification(const OUString& rName, SfxClassificationPoli
 
             if (bHeaderIsNeeded)
             {
-                if (!lcl_hasField(xHeaderText, DocInfoServiceName, SfxClassificationHelper::PROP_PREFIX_INTELLECTUALPROPERTY() + SfxClassificationHelper::PROP_DOCHEADER()))
+                if (!lcl_hasField(xHeaderText, DocInfoServiceName, OUString(SfxClassificationHelper::PROP_PREFIX_INTELLECTUALPROPERTY() + SfxClassificationHelper::PROP_DOCHEADER())))
                 {
                     // Append a field to the end of the header text.
                     uno::Reference<beans::XPropertySet> xField(xMultiServiceFactory->createInstance(DocInfoServiceName), uno::UNO_QUERY);
diff --git a/sw/source/core/edit/edfmt.cxx b/sw/source/core/edit/edfmt.cxx
index ec03360cdc8f..8f450077cde3 100644
--- a/sw/source/core/edit/edfmt.cxx
+++ b/sw/source/core/edit/edfmt.cxx
@@ -146,12 +146,12 @@ const SwFlyFrameFormat* SwEditShell::FindFlyByName( const OUString& rName ) cons
     return mxDoc->FindFlyByName(rName);
 }
 
-SwCharFormat* SwEditShell::FindCharFormatByName( const OUString& rName ) const
+SwCharFormat* SwEditShell::FindCharFormatByName( std::u16string_view rName ) const
 {
     return mxDoc->FindCharFormatByName( rName );
 }
 
-SwTextFormatColl* SwEditShell::FindTextFormatCollByName( const OUString& rName ) const
+SwTextFormatColl* SwEditShell::FindTextFormatCollByName( std::u16string_view rName ) const
 {
     return mxDoc->FindTextFormatCollByName( rName );
 }
diff --git a/sw/source/core/edit/editsh.cxx b/sw/source/core/edit/editsh.cxx
index 85c065d60fed..2a665015cc50 100644
--- a/sw/source/core/edit/editsh.cxx
+++ b/sw/source/core/edit/editsh.cxx
@@ -369,7 +369,7 @@ svt::EmbeddedObjectRef& SwEditShell::GetOLEObject() const
     return rOObj.GetObject();
 }
 
-bool SwEditShell::HasOLEObj( const OUString &rName ) const
+bool SwEditShell::HasOLEObj( std::u16string_view rName ) const
 {
     SwStartNode *pStNd;
     SwNodeIndex aIdx( *GetNodes().GetEndOfAutotext().StartOfSectionNode(), 1 );
@@ -394,7 +394,7 @@ void SwEditShell::SetChartName( const OUString &rName )
     pONd->SetChartTableName( rName );
 }
 
-void SwEditShell::UpdateCharts( const OUString &rName )
+void SwEditShell::UpdateCharts( std::u16string_view rName )
 {
     GetDoc()->UpdateCharts( rName );
 }
@@ -438,7 +438,7 @@ const SwDocStat& SwEditShell::GetUpdatedDocStat()
 }
 
 /// get the reference of a given name in the Doc
-const SwFormatRefMark* SwEditShell::GetRefMark( const OUString& rName ) const
+const SwFormatRefMark* SwEditShell::GetRefMark( std::u16string_view rName ) const
 {
     return GetDoc()->GetRefMark( rName );
 }
diff --git a/sw/source/core/fields/authfld.cxx b/sw/source/core/fields/authfld.cxx
index d922c1269584..d75b079cf639 100644
--- a/sw/source/core/fields/authfld.cxx
+++ b/sw/source/core/fields/authfld.cxx
@@ -133,7 +133,7 @@ void SwAuthorityFieldType::GetAllEntryIdentifiers(
 }
 
 SwAuthEntry* SwAuthorityFieldType::GetEntryByIdentifier(
-                                const OUString& rIdentifier)const
+                                std::u16string_view rIdentifier)const
 {
     for (const auto &rpTemp : m_DataArr)
     {
diff --git a/sw/source/core/fields/cellfml.cxx b/sw/source/core/fields/cellfml.cxx
index 752193225283..04321a37a4f8 100644
--- a/sw/source/core/fields/cellfml.cxx
+++ b/sw/source/core/fields/cellfml.cxx
@@ -737,7 +737,7 @@ OUString SwTableFormula::ScanString( FnScanFormula fnFormula, const SwTable& rTa
     return aStr.makeStringAndClear();
 }
 
-const SwTable* SwTableFormula::FindTable( SwDoc& rDoc, const OUString& rNm )
+const SwTable* SwTableFormula::FindTable( SwDoc& rDoc, std::u16string_view rNm )
 {
     const SwFrameFormats& rTableFormats = *rDoc.GetTableFrameFormats();
     const SwTable* pTmpTable = nullptr, *pRet = nullptr;
diff --git a/sw/source/core/layout/pagedesc.cxx b/sw/source/core/layout/pagedesc.cxx
index fc8b7b08787e..0deff1919ce3 100644
--- a/sw/source/core/layout/pagedesc.cxx
+++ b/sw/source/core/layout/pagedesc.cxx
@@ -400,7 +400,7 @@ static const char* STR_POOLPAGE[] =
     STR_POOLPAGE_LANDSCAPE
 };
 
-SwPageDesc* SwPageDesc::GetByName(SwDoc& rDoc, const OUString& rName)
+SwPageDesc* SwPageDesc::GetByName(SwDoc& rDoc, std::u16string_view rName)
 {
     const size_t nDCount = rDoc.GetPageDescCnt();
 
diff --git a/sw/source/core/text/porlay.hxx b/sw/source/core/text/porlay.hxx
index 811f1b19331b..0cc2948231a5 100644
--- a/sw/source/core/text/porlay.hxx
+++ b/sw/source/core/text/porlay.hxx
@@ -293,7 +293,7 @@ public:
     TextFrameIndex GetParLen() const;
 
     // For Prepare()
-    bool UpdateQuoVadis( const OUString &rQuo );
+    bool UpdateQuoVadis( std::u16string_view rQuo );
 
     // Flags
     void SetFly() { m_bFlys = true; }
diff --git a/sw/source/core/text/txtftn.cxx b/sw/source/core/text/txtftn.cxx
index ecab7583e3b0..19880e023d7f 100644
--- a/sw/source/core/text/txtftn.cxx
+++ b/sw/source/core/text/txtftn.cxx
@@ -1529,7 +1529,7 @@ void SwParaPortion::SetErgoSumNum( const OUString& rErgo )
 /**
  * Is called in SwTextFrame::Prepare()
  */
-bool SwParaPortion::UpdateQuoVadis( const OUString &rQuo )
+bool SwParaPortion::UpdateQuoVadis( std::u16string_view rQuo )
 {
     SwLineLayout *pLay = this;
     while( pLay->GetNext() )
diff --git a/sw/source/core/txtnode/ndtxt.cxx b/sw/source/core/txtnode/ndtxt.cxx
index e4cd823d74e0..6b00cf30e9cd 100644
--- a/sw/source/core/txtnode/ndtxt.cxx
+++ b/sw/source/core/txtnode/ndtxt.cxx
@@ -1756,9 +1756,9 @@ SwTextField* SwTextNode::GetFieldTextAttrAt(
     return pTextField;
 }
 
-static SwCharFormat* lcl_FindCharFormat( const SwCharFormats* pCharFormats, const OUString& rName )
+static SwCharFormat* lcl_FindCharFormat( const SwCharFormats* pCharFormats, std::u16string_view rName )
 {
-    if( !rName.isEmpty() )
+    if( !rName.empty() )
     {
         const size_t nArrLen = pCharFormats->size();
         for( size_t i = 1; i < nArrLen; i++ )
diff --git a/sw/source/core/unocore/unochart.cxx b/sw/source/core/unocore/unochart.cxx
index 8bc55cc0487e..8004c18ee579 100644
--- a/sw/source/core/unocore/unochart.cxx
+++ b/sw/source/core/unocore/unochart.cxx
@@ -318,7 +318,7 @@ static bool GetTableAndCellsFromRangeRep(
     return bSuccess;
 }
 
-static void GetTableByName( const SwDoc &rDoc, const OUString &rTableName,
+static void GetTableByName( const SwDoc &rDoc, std::u16string_view rTableName,
         SwFrameFormat **ppTableFormat, SwTable **ppTable)
 {
     SwFrameFormat *pTableFormat = nullptr;
diff --git a/sw/source/core/unocore/unostyle.cxx b/sw/source/core/unocore/unostyle.cxx
index 0049636a85d7..2f1d9d6f7e3d 100644
--- a/sw/source/core/unocore/unostyle.cxx
+++ b/sw/source/core/unocore/unostyle.cxx
@@ -208,7 +208,7 @@ namespace sw
         SfxStyleSheetBasePool* m_pBasePool;
         SwDocShell* m_pDocShell;
 
-        SwXStyle* FindStyle(const OUString& rStyleName) const;
+        SwXStyle* FindStyle(std::u16string_view rStyleName) const;
         sal_Int32 GetCountOrName(OUString* pString, sal_Int32 nIndex = SAL_MAX_INT32)
             { return m_rEntry.m_fGetCountOrName(*m_pDocShell->GetDoc(), pString, nIndex); };
         static const StyleFamilyEntry& InitEntry(SfxStyleFamily eFamily)
@@ -1090,7 +1090,7 @@ uno::Any SAL_CALL XStyleFamily::getPropertyValue( const OUString& sPropertyName
 }
 
 
-SwXStyle* XStyleFamily::FindStyle(const OUString& rStyleName) const
+SwXStyle* XStyleFamily::FindStyle(std::u16string_view rStyleName) const
 {
     const size_t nLCount = m_pBasePool->GetSizeOfVector();
     for(size_t i = 0; i < nLCount; ++i)
@@ -4367,7 +4367,7 @@ SwTableAutoFormat* SwXTextTableStyle::GetTableFormat()
     return m_pTableAutoFormat;
 }
 
-SwTableAutoFormat* SwXTextTableStyle::GetTableAutoFormat(SwDocShell* pDocShell, const OUString& sName)
+SwTableAutoFormat* SwXTextTableStyle::GetTableAutoFormat(SwDocShell* pDocShell, std::u16string_view sName)
 {
     const size_t nStyles = pDocShell->GetDoc()->GetTableStyles().size();
     for(size_t i=0; i < nStyles; ++i)
diff --git a/sw/source/filter/basflt/iodetect.cxx b/sw/source/filter/basflt/iodetect.cxx
index 04466aa80648..960497b8d27f 100644
--- a/sw/source/filter/basflt/iodetect.cxx
+++ b/sw/source/filter/basflt/iodetect.cxx
@@ -66,7 +66,7 @@ OUString SwIoSystem::GetSubStorageName( const SfxFilter& rFltr )
     return OUString();
 }
 
-std::shared_ptr<const SfxFilter> SwIoSystem::GetFilterOfFormat(const OUString& rFormatNm,
+std::shared_ptr<const SfxFilter> SwIoSystem::GetFilterOfFormat(std::u16string_view rFormatNm,
     const SfxFilterContainer* pCnt)
 {
     SfxFilterContainer aCntSw( sSWRITER );
diff --git a/sw/source/filter/ww8/docxattributeoutput.cxx b/sw/source/filter/ww8/docxattributeoutput.cxx
index ad61fc767b41..c15f17493fad 100644
--- a/sw/source/filter/ww8/docxattributeoutput.cxx
+++ b/sw/source/filter/ww8/docxattributeoutput.cxx
@@ -2588,7 +2588,7 @@ const NameToId constNameToIdMapping[] =
     { OUString("styleSet"),     FSNS( XML_w14, XML_styleSet ) },
 };
 
-std::optional<sal_Int32> lclGetElementIdForName(const OUString& rName)
+std::optional<sal_Int32> lclGetElementIdForName(std::u16string_view rName)
 {
     for (auto const & i : constNameToIdMapping)
     {
diff --git a/sw/source/filter/ww8/ww8par.cxx b/sw/source/filter/ww8/ww8par.cxx
index b98b8bda7f42..d7925942c954 100644
--- a/sw/source/filter/ww8/ww8par.cxx
+++ b/sw/source/filter/ww8/ww8par.cxx
@@ -4932,7 +4932,7 @@ void WW8Customizations::Import( SwDocShell* pShell )
     }
 }
 
-void SwWW8ImplReader::ReadGlobalTemplateSettings( const OUString& sCreatedFrom, const uno::Reference< container::XNameContainer >& xPrjNameCache )
+void SwWW8ImplReader::ReadGlobalTemplateSettings( std::u16string_view sCreatedFrom, const uno::Reference< container::XNameContainer >& xPrjNameCache )
 {
     if (utl::ConfigManager::IsFuzzing())
         return;
@@ -4957,7 +4957,7 @@ void SwWW8ImplReader::ReadGlobalTemplateSettings( const OUString& sCreatedFrom,
                 aURL = rGlobalTemplate;
         else
                 osl::FileBase::getFileURLFromSystemPath( rGlobalTemplate, aURL );
-        if ( !aURL.endsWithIgnoreAsciiCase( ".dot" ) || ( !sCreatedFrom.isEmpty() && sCreatedFrom == aURL ) )
+        if ( !aURL.endsWithIgnoreAsciiCase( ".dot" ) || ( !sCreatedFrom.empty() && sCreatedFrom == aURL ) )
             continue; // don't try and read the same document as ourselves
 
         tools::SvRef<SotStorage> rRoot = new SotStorage( aURL, StreamMode::STD_READWRITE );
diff --git a/sw/source/filter/ww8/ww8par.hxx b/sw/source/filter/ww8/ww8par.hxx
index 07beb3592bff..7629d2e5a63d 100644
--- a/sw/source/filter/ww8/ww8par.hxx
+++ b/sw/source/filter/ww8/ww8par.hxx
@@ -1695,7 +1695,7 @@ private:
     // #i84783#
     // determine object attribute "Layout in Table Cell"
     bool IsObjectLayoutInTableCell( const sal_uInt32 nLayoutInTableCell ) const;
-    void ReadGlobalTemplateSettings( const OUString& sCreatedFrom, const css::uno::Reference< css::container::XNameContainer >& xPrjNameMap );
+    void ReadGlobalTemplateSettings( std::u16string_view sCreatedFrom, const css::uno::Reference< css::container::XNameContainer >& xPrjNameMap );
     SwWW8ImplReader(const SwWW8ImplReader &) = delete;
     SwWW8ImplReader& operator=(const SwWW8ImplReader&) = delete;
 public:     // really private, but can only be done public
@@ -1896,7 +1896,7 @@ public:     // really private, but can only be done public
     void SetNCurrentColl( sal_uInt16 nColl ) { m_nCurrentColl = nColl;    }
     std::unique_ptr<SfxItemSet> SetCurrentItemSet(std::unique_ptr<SfxItemSet> pItemSet);
     sal_uInt16 StyleUsingLFO( sal_uInt16 nLFOIndex ) const ;
-    const SwFormat* GetStyleWithOrgWWName( OUString const & rName ) const ;
+    const SwFormat* GetStyleWithOrgWWName( std::u16string_view rName ) const ;
 
     static bool GetPictGrafFromStream(Graphic& rGraphic, SvStream& rSrc);
     static void PicRead( SvStream *pDataStream, WW8_PIC *pPic, bool bVer67);
diff --git a/sw/source/filter/ww8/ww8par2.cxx b/sw/source/filter/ww8/ww8par2.cxx
index bf5a27528b6e..6bc5b6866f21 100644
--- a/sw/source/filter/ww8/ww8par2.cxx
+++ b/sw/source/filter/ww8/ww8par2.cxx
@@ -3566,7 +3566,7 @@ sal_uInt16 SwWW8ImplReader::StyleUsingLFO( sal_uInt16 nLFOIndex ) const
     return nRes;
 }
 
-const SwFormat* SwWW8ImplReader::GetStyleWithOrgWWName( OUString const & rName ) const
+const SwFormat* SwWW8ImplReader::GetStyleWithOrgWWName( std::u16string_view rName ) const
 {
     SwFormat* pRet = nullptr;
     if( !m_vColl.empty() )
diff --git a/sw/source/filter/xml/XMLRedlineImportHelper.cxx b/sw/source/filter/xml/XMLRedlineImportHelper.cxx
index 99ff2933ad97..91aa7e048637 100644
--- a/sw/source/filter/xml/XMLRedlineImportHelper.cxx
+++ b/sw/source/filter/xml/XMLRedlineImportHelper.cxx
@@ -374,7 +374,7 @@ XMLRedlineImportHelper::~XMLRedlineImportHelper()
 }
 
 void XMLRedlineImportHelper::Add(
-    const OUString& rType,
+    std::u16string_view rType,
     const OUString& rId,
     const OUString& rAuthor,
     const OUString& rComment,
diff --git a/sw/source/filter/xml/XMLRedlineImportHelper.hxx b/sw/source/filter/xml/XMLRedlineImportHelper.hxx
index 4a479a9cc38e..38eff4dc56e6 100644
--- a/sw/source/filter/xml/XMLRedlineImportHelper.hxx
+++ b/sw/source/filter/xml/XMLRedlineImportHelper.hxx
@@ -75,7 +75,7 @@ public:
     // (The redline will be inserted into the document after both start
     //  and end cursor has been set.)
     void Add(
-        const OUString& rType,       // redline type (insert, del,... )
+        std::u16string_view rType,       // redline type (insert, del,... )
         const OUString& rId,         // use to identify this redline
         const OUString& rAuthor,     // name of the author
         const OUString& rComment,    // redline comment
diff --git a/sw/source/ui/dbui/selectdbtabledialog.cxx b/sw/source/ui/dbui/selectdbtabledialog.cxx
index 19db636a54bb..e49624e48273 100644
--- a/sw/source/ui/dbui/selectdbtabledialog.cxx
+++ b/sw/source/ui/dbui/selectdbtabledialog.cxx
@@ -132,7 +132,7 @@ OUString SwSelectDBTableDialog::GetSelectedTable(bool& bIsTable)
     return OUString();
 }
 
-void SwSelectDBTableDialog::SetSelectedTable(const OUString& rTable, bool bIsTable)
+void SwSelectDBTableDialog::SetSelectedTable(std::u16string_view rTable, bool bIsTable)
 {
     for (int i = 0, nCount = m_xTable->n_children(); i < nCount; ++i)
     {
diff --git a/sw/source/ui/dbui/selectdbtabledialog.hxx b/sw/source/ui/dbui/selectdbtabledialog.hxx
index 852a7570d285..01c1edcc49fe 100644
--- a/sw/source/ui/dbui/selectdbtabledialog.hxx
+++ b/sw/source/ui/dbui/selectdbtabledialog.hxx
@@ -37,7 +37,7 @@ public:
     virtual ~SwSelectDBTableDialog() override;
 
     OUString    GetSelectedTable(bool& bIsTable);
-    void        SetSelectedTable(const OUString& rTable, bool bIsTable);
+    void        SetSelectedTable(std::u16string_view rTable, bool bIsTable);
 };
 #endif
 
diff --git a/sw/source/ui/dialog/uiregionsw.cxx b/sw/source/ui/dialog/uiregionsw.cxx
index 843083c99eb4..14215accd178 100644
--- a/sw/source/ui/dialog/uiregionsw.cxx
+++ b/sw/source/ui/dialog/uiregionsw.cxx
@@ -535,7 +535,7 @@ SwEditRegionDlg::~SwEditRegionDlg( )
     }
 }
 
-void SwEditRegionDlg::SelectSection(const OUString& rSectionName)
+void SwEditRegionDlg::SelectSection(std::u16string_view rSectionName)
 {
     std::unique_ptr<weld::TreeIter> xIter(m_xTree->make_iterator());
     if (!m_xTree->get_iter_first(*xIter))
diff --git a/sw/source/ui/envelp/label1.cxx b/sw/source/ui/envelp/label1.cxx
index 8aa1d8de9fc9..6dd5c5b1d4b7 100644
--- a/sw/source/ui/envelp/label1.cxx
+++ b/sw/source/ui/envelp/label1.cxx
@@ -184,7 +184,7 @@ void SwLabDlg::GetLabItem(SwLabItem &rItem)
     }
 }
 
-SwLabRec* SwLabDlg::GetRecord(const OUString &rRecName, bool bCont)
+SwLabRec* SwLabDlg::GetRecord(std::u16string_view rRecName, bool bCont)
 {
     SwLabRec* pRec = nullptr;
     bool bFound = false;
diff --git a/sw/source/ui/fldui/changedb.cxx b/sw/source/ui/fldui/changedb.cxx
index e4e44316f9ab..6871bd4b6d26 100644
--- a/sw/source/ui/fldui/changedb.cxx
+++ b/sw/source/ui/fldui/changedb.cxx
@@ -80,7 +80,7 @@ void SwChangeDBDlg::FillDBPopup()
     Reference< XComponentContext > xContext( ::comphelper::getProcessComponentContext() );
     Reference<XDatabaseContext> xDBContext = DatabaseContext::create(xContext);
     const SwDBData& rDBData = pSh->GetDBData();
-    m_xAvailDBTLB->Select(rDBData.sDataSource, rDBData.sCommand, OUString());
+    m_xAvailDBTLB->Select(rDBData.sDataSource, rDBData.sCommand, u"");
     TreeSelect();
 
     Sequence< OUString > aDBNames = xDBContext->getElementNames();
diff --git a/sw/source/ui/fldui/flddb.cxx b/sw/source/ui/fldui/flddb.cxx
index 99a7d5f05b3b..267d318d8559 100644
--- a/sw/source/ui/fldui/flddb.cxx
+++ b/sw/source/ui/fldui/flddb.cxx
@@ -138,7 +138,7 @@ void SwFieldDBPage::Reset(const SfxItemSet*)
             if(pSh)
             {
                 SwDBData aTmp(pSh->GetDBData());
-                m_xDatabaseTLB->Select(aTmp.sDataSource, aTmp.sCommand, OUString());
+                m_xDatabaseTLB->Select(aTmp.sDataSource, aTmp.sCommand, u"");
             }
         }
     }
@@ -506,7 +506,7 @@ void SwFieldDBPage::ActivateMailMergeAddress()
     m_xTypeLB->select_id(OUString::number(static_cast<sal_uInt16>(SwFieldTypesEnum::Database)));
     TypeListBoxHdl(*m_xTypeLB);
     const SwDBData& rData = SW_MOD()->GetDBConfig()->GetAddressSource();
-    m_xDatabaseTLB->Select(rData.sDataSource, rData.sCommand, OUString());
+    m_xDatabaseTLB->Select(rData.sDataSource, rData.sCommand, u"");
 }
 
 void SwFieldDBPage::SetWrtShell(SwWrtShell& rSh)
diff --git a/sw/source/ui/index/swuiidxmrk.cxx b/sw/source/ui/index/swuiidxmrk.cxx
index 3ea8bb755bbc..cb3339e3c55f 100644
--- a/sw/source/ui/index/swuiidxmrk.cxx
+++ b/sw/source/ui/index/swuiidxmrk.cxx
@@ -1081,7 +1081,7 @@ const TextInfo aTextInfoArr[] =
     {AUTH_FIELD_CUSTOM5,         HID_AUTH_FIELD_CUSTOM5         }
 };
 
-static OUString lcl_FindColumnEntry(const uno::Sequence<beans::PropertyValue>& rFields, const OUString& rColumnTitle)
+static OUString lcl_FindColumnEntry(const uno::Sequence<beans::PropertyValue>& rFields, std::u16string_view rColumnTitle)
 {
     for(const auto& rField : rFields)
     {
diff --git a/sw/source/ui/misc/glossary.cxx b/sw/source/ui/misc/glossary.cxx
index 21e131891386..7b173f63e449 100644
--- a/sw/source/ui/misc/glossary.cxx
+++ b/sw/source/ui/misc/glossary.cxx
@@ -339,8 +339,8 @@ void SwGlossaryDlg::EnableShortName(bool bOn)
 }
 
 // does the title exist in the selected group?
-std::unique_ptr<weld::TreeIter> SwGlossaryDlg::DoesBlockExist(const OUString& rBlock,
-                                                              const OUString& rShort)
+std::unique_ptr<weld::TreeIter> SwGlossaryDlg::DoesBlockExist(std::u16string_view rBlock,
+                                                              std::u16string_view rShort)
 {
     // look for possible entry in TreeListBox
     std::unique_ptr<weld::TreeIter> xEntry = m_xCategoryBox->make_iterator();
@@ -353,7 +353,7 @@ std::unique_ptr<weld::TreeIter> SwGlossaryDlg::DoesBlockExist(const OUString& rB
         do
         {
             if (rBlock == m_xCategoryBox->get_text(*xEntry) &&
-                (rShort.isEmpty() ||
+                (rShort.empty() ||
                  rShort == m_xCategoryBox->get_id(*xEntry))
                )
             {
diff --git a/sw/source/ui/misc/outline.cxx b/sw/source/ui/misc/outline.cxx
index bef52a28777c..bdaa59f9015f 100644
--- a/sw/source/ui/misc/outline.cxx
+++ b/sw/source/ui/misc/outline.cxx
@@ -291,7 +291,7 @@ IMPL_LINK(SwOutlineTabDialog, MenuSelectHdl, const OString&, rIdent, void)
     pPage->Reset(GetOutputItemSet());
 }
 
-sal_uInt16  SwOutlineTabDialog::GetLevel(const OUString &rFormatName) const
+sal_uInt16  SwOutlineTabDialog::GetLevel(std::u16string_view rFormatName) const
 {
     for(sal_uInt16 i = 0; i < MAXLEVEL; ++i)
     {
diff --git a/sw/source/ui/vba/vbadocument.cxx b/sw/source/ui/vba/vbadocument.cxx
index c7cfe8446cb0..4e305cc100e5 100644
--- a/sw/source/ui/vba/vbadocument.cxx
+++ b/sw/source/ui/vba/vbadocument.cxx
@@ -542,7 +542,7 @@ SwVbaDocument::SavePreviewPngAs( const uno::Any& FileName )
 }
 
 uno::Any
-SwVbaDocument::getControlShape( const OUString& sName )
+SwVbaDocument::getControlShape( std::u16string_view sName )
 {
     uno::Reference< drawing::XDrawPageSupplier > xDrawPageSupplier( mxTextDocument, uno::UNO_QUERY_THROW );
     uno::Reference< container::XIndexAccess > xIndexAccess( xDrawPageSupplier->getDrawPage(), uno::UNO_QUERY_THROW );
diff --git a/sw/source/ui/vba/vbadocument.hxx b/sw/source/ui/vba/vbadocument.hxx
index a5e4dabf8452..0d213690a982 100644
--- a/sw/source/ui/vba/vbadocument.hxx
+++ b/sw/source/ui/vba/vbadocument.hxx
@@ -38,7 +38,7 @@ private:
     std::vector<css::uno::Reference< ooo::vba::XSink >> mvSinks;
 
     void Initialize();
-    css::uno::Any getControlShape( const OUString& sName );
+    css::uno::Any getControlShape( std::u16string_view sName );
     css::uno::Reference< css::container::XNameAccess > getFormControls() const;
 
 public:
diff --git a/sw/source/uibase/app/docsh2.cxx b/sw/source/uibase/app/docsh2.cxx
index a2342c9f3d0e..bb135b823c92 100644
--- a/sw/source/uibase/app/docsh2.cxx
+++ b/sw/source/uibase/app/docsh2.cxx
@@ -648,7 +648,7 @@ void SwDocShell::Execute(SfxRequest& rReq)
                     // 3 - file saved in non-HTML -> QueryBox to save as HTML
                     std::shared_ptr<const SfxFilter> pHtmlFlt =
                                     SwIoSystem::GetFilterOfFormat(
-                                        "HTML",
+                                        u"HTML",
                                         SwWebDocShell::Factory().GetFilterContainer() );
                     bool bLocalHasName = HasName();
                     if(bLocalHasName)
@@ -976,7 +976,7 @@ void SwDocShell::Execute(SfxRequest& rReq)
                     {
                         // for HTML there is only one filter!!
                         pFlt = SwIoSystem::GetFilterOfFormat(
-                                "HTML",
+                                u"HTML",
                                 SwWebDocShell::Factory().GetFilterContainer() );
                         pStrId = STR_LOAD_HTML_DOC;
                     }
diff --git a/sw/source/uibase/app/docstyle.cxx b/sw/source/uibase/app/docstyle.cxx
index a15f9000883b..c720c3775c8c 100644
--- a/sw/source/uibase/app/docstyle.cxx
+++ b/sw/source/uibase/app/docstyle.cxx
@@ -330,7 +330,7 @@ static SwTableAutoFormat* lcl_FindTableStyle(SwDoc& rDoc, const OUString& rName,
     return pFormat;
 }
 
-static const SwBoxAutoFormat* lcl_FindCellStyle(SwDoc& rDoc, const OUString& rName, SwDocStyleSheet *pStyle)
+static const SwBoxAutoFormat* lcl_FindCellStyle(SwDoc& rDoc, std::u16string_view rName, SwDocStyleSheet *pStyle)
 {
     const SwBoxAutoFormat* pFormat = rDoc.GetCellStyles().GetBoxFormat(rName);
 
diff --git a/sw/source/uibase/dbui/dbtree.cxx b/sw/source/uibase/dbui/dbtree.cxx
index 4dee21a4ed0c..e47c7dc92c9c 100644
--- a/sw/source/uibase/dbui/dbtree.cxx
+++ b/sw/source/uibase/dbui/dbtree.cxx
@@ -164,7 +164,7 @@ void SwDBTreeList::InitTreeList()
             m_xTreeView->set_image(*m_xScratchIter, aImg);
         }
     }
-    Select(OUString(), OUString(), OUString());
+    Select(u"", u"", u"");
 
     bInitialized = true;
 }
@@ -320,7 +320,7 @@ OUString SwDBTreeList::GetDBName(OUString& rTableName, OUString& rColumnName, sa
 }
 
 // Format: database.table
-void SwDBTreeList::Select(const OUString& rDBName, const OUString& rTableName, const OUString& rColumnName)
+void SwDBTreeList::Select(std::u16string_view rDBName, std::u16string_view rTableName, std::u16string_view rColumnName)
 {
     std::unique_ptr<weld::TreeIter> xParent(m_xTreeView->make_iterator());
     if (!m_xTreeView->get_iter_first(*xParent))
@@ -345,7 +345,7 @@ void SwDBTreeList::Select(const OUString& rDBName, const OUString& rTableName, c
                     m_xTreeView->copy_iterator(*xChild, *xParent);
 
                     bool bNoChild = false;
-                    if (bShowColumns && !rColumnName.isEmpty())
+                    if (bShowColumns && !rColumnName.empty())
                     {
                         if (!m_xTreeView->iter_has_child(*xParent))
                         {
diff --git a/sw/source/uibase/docvw/PostItMgr.cxx b/sw/source/uibase/docvw/PostItMgr.cxx
index d5153892a0dc..84144c447bbb 100644
--- a/sw/source/uibase/docvw/PostItMgr.cxx
+++ b/sw/source/uibase/docvw/PostItMgr.cxx
@@ -1726,7 +1726,7 @@ void SwPostItMgr::FormatAll(const SfxItemSet &rNewAttr)
     LayoutPostIts();
 }
 
-void SwPostItMgr::Hide( const OUString& rAuthor )
+void SwPostItMgr::Hide( std::u16string_view rAuthor )
 {
     for (auto const& postItField : mvPostItFields)
     {
diff --git a/sw/source/uibase/fldui/fldmgr.cxx b/sw/source/uibase/fldui/fldmgr.cxx
index 42ac135fedcd..dcf02a29de31 100644
--- a/sw/source/uibase/fldui/fldmgr.cxx
+++ b/sw/source/uibase/fldui/fldmgr.cxx
@@ -373,7 +373,7 @@ SwFieldMgr::~SwFieldMgr()
 }
 
 // organise RefMark by names
-bool  SwFieldMgr::CanInsertRefMark( const OUString& rStr )
+bool  SwFieldMgr::CanInsertRefMark( std::u16string_view rStr )
 {
     bool bRet = false;
     SwWrtShell *pSh = m_pWrtShell ? m_pWrtShell : lcl_GetShell();
diff --git a/sw/source/uibase/inc/dbtree.hxx b/sw/source/uibase/inc/dbtree.hxx
index 863ac1a40083..651654bb9843 100644
--- a/sw/source/uibase/inc/dbtree.hxx
+++ b/sw/source/uibase/inc/dbtree.hxx
@@ -45,8 +45,8 @@ public:
 
     OUString GetDBName(OUString& rTableName, OUString& rColumnName, sal_Bool* pbIsTable = nullptr);
 
-    void    Select( const OUString& rDBName, const OUString& rTableName,
-                    const OUString& rColumnName );
+    void    Select( std::u16string_view rDBName, std::u16string_view rTableName,
+                    std::u16string_view rColumnName );
 
     void    ShowColumns(bool bShowCol);
 
diff --git a/sw/source/uibase/inc/fldmgr.hxx b/sw/source/uibase/inc/fldmgr.hxx
index 9a701e2a4280..ebc5c4966c09 100644
--- a/sw/source/uibase/inc/fldmgr.hxx
+++ b/sw/source/uibase/inc/fldmgr.hxx
@@ -154,7 +154,7 @@ public:
                                     bool bIsTable, const OUString& rFieldName);
 
     // organise RefMark with names
-    bool            CanInsertRefMark( const OUString& rStr );
+    bool            CanInsertRefMark( std::u16string_view rStr );
 
     // access to field types via ResId
     size_t          GetFieldTypeCount() const;
diff --git a/sw/source/uibase/inc/gloslst.hxx b/sw/source/uibase/inc/gloslst.hxx
index 3da5d88617a5..11192ecd6234 100644
--- a/sw/source/uibase/inc/gloslst.hxx
+++ b/sw/source/uibase/inc/gloslst.hxx
@@ -50,7 +50,7 @@ class SwGlossaryList : public AutoTimer
     OUString        sPath;
     bool            bFilled;
 
-    AutoTextGroup*  FindGroup(const OUString& rGroupName);
+    AutoTextGroup*  FindGroup(std::u16string_view rGroupName);
     static void     FillGroup(AutoTextGroup* pGroup, SwGlossaries* pGloss);
 
 public:
@@ -59,7 +59,7 @@ public:
 
     void            HasLongName(const std::vector<OUString>& rBeginCandidates,
                                 std::vector<std::pair<OUString, sal_uInt16>>& rLongNames);
-    bool            GetShortName(const OUString& rLongName,
+    bool            GetShortName(std::u16string_view rLongName,
                                        OUString& rShortName, OUString& rGroupName );
 
     size_t          GetGroupCount();
diff --git a/sw/source/uibase/inc/glossary.hxx b/sw/source/uibase/inc/glossary.hxx
index 7f0dab68901f..4ac5b6c8e4ec 100644
--- a/sw/source/uibase/inc/glossary.hxx
+++ b/sw/source/uibase/inc/glossary.hxx
@@ -95,7 +95,7 @@ class SwGlossaryDlg : public SfxDialogController
 
     void            Apply();
     void            Init();
-    std::unique_ptr<weld::TreeIter> DoesBlockExist(const OUString& sBlock, const OUString& rShort);
+    std::unique_ptr<weld::TreeIter> DoesBlockExist(std::u16string_view sBlock, std::u16string_view rShort);
     void            ShowAutoText(const OUString& rGroup, const OUString& rShortName);
     void            ResumeShowAutoText();
 
diff --git a/sw/source/uibase/inc/label.hxx b/sw/source/uibase/inc/label.hxx
index 86d08a2573a1..a7a1c66412c6 100644
--- a/sw/source/uibase/inc/label.hxx
+++ b/sw/source/uibase/inc/label.hxx
@@ -51,7 +51,7 @@ public:
              SwDBManager* pDBManager, bool bLabel);
     virtual ~SwLabDlg() override;
 
-    SwLabRec*   GetRecord(const OUString &rRecName, bool bCont);
+    SwLabRec*   GetRecord(std::u16string_view rRecName, bool bCont);
     void        GetLabItem(SwLabItem &rItem);
 
           SwLabRecs &Recs()           { return *m_pRecs; }
diff --git a/sw/source/uibase/inc/langhelper.hxx b/sw/source/uibase/inc/langhelper.hxx
index 8c93d29d3c36..8efc5931e574 100644
--- a/sw/source/uibase/inc/langhelper.hxx
+++ b/sw/source/uibase/inc/langhelper.hxx
@@ -38,8 +38,8 @@ namespace SwLangHelper
     extern void GetLanguageStatus( OutlinerView* pOLV, SfxItemSet& rSet );
     extern bool SetLanguageStatus( OutlinerView* pOLV, SfxRequest &rReq, SwView const &rView, SwWrtShell &rSh );
 
-    extern void SetLanguage( SwWrtShell &rWrtSh, const OUString &rLangText, bool bIsForSelection, SfxItemSet &rCoreSet );
-    extern void SetLanguage( SwWrtShell &rWrtSh, OutlinerView const * pOLV, const ESelection& rSelection, const OUString &rLangText, bool bIsForSelection, SfxItemSet &rCoreSet );
+    extern void SetLanguage( SwWrtShell &rWrtSh, std::u16string_view rLangText, bool bIsForSelection, SfxItemSet &rCoreSet );
+    extern void SetLanguage( SwWrtShell &rWrtSh, OutlinerView const * pOLV, const ESelection& rSelection, std::u16string_view rLangText, bool bIsForSelection, SfxItemSet &rCoreSet );
     extern void SetLanguage_None( SwWrtShell &rWrtSh, bool bIsForSelection, SfxItemSet &rCoreSet );
     extern void SetLanguage_None( SwWrtShell &rWrtSh, OutlinerView const * pOLV, const ESelection& rSelection, bool bIsForSelection, SfxItemSet &rCoreSet  );
     extern void ResetLanguages( SwWrtShell &rWrtSh, OutlinerView const * pOLV = nullptr );
diff --git a/sw/source/uibase/inc/outline.hxx b/sw/source/uibase/inc/outline.hxx
index f9c3c1f15dde..f7702359c3ee 100644
--- a/sw/source/uibase/inc/outline.hxx
+++ b/sw/source/uibase/inc/outline.hxx
@@ -56,7 +56,7 @@ public:
     virtual ~SwOutlineTabDialog() override;
 
     SwNumRule*          GetNumRule() { return xNumRule.get(); }
-    sal_uInt16          GetLevel(const OUString &rFormatName) const;
+    sal_uInt16          GetLevel(std::u16string_view rFormatName) const;
     OUString*           GetCollNames() {return aCollNames;}
 
     static sal_uInt16   GetActNumLevel() {return nNumLevel;}
diff --git a/sw/source/uibase/inc/regionsw.hxx b/sw/source/uibase/inc/regionsw.hxx
index adb2681efef2..a16fc1b93f5e 100644
--- a/sw/source/uibase/inc/regionsw.hxx
+++ b/sw/source/uibase/inc/regionsw.hxx
@@ -110,7 +110,7 @@ public:
     SwEditRegionDlg(weld::Window* pParent, SwWrtShell& rWrtSh);
     virtual ~SwEditRegionDlg() override;
 
-    void    SelectSection(const OUString& rSectionName);
+    void    SelectSection(std::u16string_view rSectionName);
 
 };
 
diff --git a/sw/source/uibase/inc/wrtsh.hxx b/sw/source/uibase/inc/wrtsh.hxx
index a8cc9a49d6cb..4499c0c15763 100644
--- a/sw/source/uibase/inc/wrtsh.hxx
+++ b/sw/source/uibase/inc/wrtsh.hxx
@@ -358,7 +358,7 @@ typedef bool (SwWrtShell::*FNSimpleMove)();
                                     GetStyle eCreate = GETSTYLE_NOCREATE);
     SwCharFormat*      GetCharStyle(const OUString &rFormatName,
                                     GetStyle eCreate = GETSTYLE_NOCREATE);
-    SwFrameFormat*       GetTableStyle(const OUString &rFormatName);
+    SwFrameFormat*       GetTableStyle(std::u16string_view rFormatName);
 
     void            SetPageStyle(const OUString &rCollName);
 
@@ -475,7 +475,7 @@ typedef bool (SwWrtShell::*FNSimpleMove)();
     bool GotoINetAttr( const SwTextINetFormat& rAttr );
     void GotoOutline( SwOutlineNodes::size_type nIdx );
     bool GotoOutline( const OUString& rName );
-    bool GotoRegion( const OUString& rName );
+    bool GotoRegion( std::u16string_view rName );
     bool GotoRefMark( const OUString& rRefMark, sal_uInt16 nSubType = 0,
         sal_uInt16 nSeqNo = 0 );
     bool GotoNextTOXBase( const OUString* pName = nullptr);
@@ -483,7 +483,7 @@ typedef bool (SwWrtShell::*FNSimpleMove)();
     void GotoFormatField( const SwFormatField& rField );
     const SwRangeRedline* GotoRedline( SwRedlineTable::size_type nArrPos, bool bSelect);
 
-    void ChangeHeaderOrFooter(const OUString& rStyleName, bool bHeader, bool bOn, bool bShowWarning);
+    void ChangeHeaderOrFooter(std::u16string_view rStyleName, bool bHeader, bool bOn, bool bShowWarning);
     virtual void SetShowHeaderFooterSeparator( FrameControlType eControl, bool bShow ) override;
 
     /// Inserts a new annotation/comment at the current cursor position / selection.
diff --git a/sw/source/uibase/shells/frmsh.cxx b/sw/source/uibase/shells/frmsh.cxx
index c203ace11024..e6a758b37e5c 100644
--- a/sw/source/uibase/shells/frmsh.cxx
+++ b/sw/source/uibase/shells/frmsh.cxx
@@ -80,7 +80,7 @@ using namespace ::com::sun::star::uno;
 
 // Prototypes
 static void lcl_FrameGetMaxLineWidth(const SvxBorderLine* pBorderLine, SvxBorderLine& rBorderLine);
-static const SwFrameFormat* lcl_GetFrameFormatByName(SwWrtShell const & rSh, const OUString& rName)
+static const SwFrameFormat* lcl_GetFrameFormatByName(SwWrtShell const & rSh, std::u16string_view rName)
 {
     const size_t nCount = rSh.GetFlyCount(FLYCNTTYPE_FRM);
     for( size_t i = 0; i < nCount; ++i )
diff --git a/sw/source/uibase/shells/langhelper.cxx b/sw/source/uibase/shells/langhelper.cxx
index 53e039f057e1..1be26660c34c 100644
--- a/sw/source/uibase/shells/langhelper.cxx
+++ b/sw/source/uibase/shells/langhelper.cxx
@@ -217,12 +217,12 @@ namespace SwLangHelper
         return bRestoreSelection;
     }
 
-    void SetLanguage( SwWrtShell &rWrtSh, const OUString &rLangText, bool bIsForSelection, SfxItemSet &rCoreSet )
+    void SetLanguage( SwWrtShell &rWrtSh, std::u16string_view rLangText, bool bIsForSelection, SfxItemSet &rCoreSet )
     {
         SetLanguage( rWrtSh, nullptr , ESelection(), rLangText, bIsForSelection, rCoreSet );
     }
 
-    void SetLanguage( SwWrtShell &rWrtSh, OutlinerView const * pOLV, const ESelection& rSelection, const OUString &rLangText, bool bIsForSelection, SfxItemSet &rCoreSet )
+    void SetLanguage( SwWrtShell &rWrtSh, OutlinerView const * pOLV, const ESelection& rSelection, std::u16string_view rLangText, bool bIsForSelection, SfxItemSet &rCoreSet )
     {
         const LanguageType nLang = SvtLanguageTable::GetLanguageType( rLangText );
         if (nLang == LANGUAGE_DONTKNOW)
diff --git a/sw/source/uibase/sidebar/StylePresetsPanel.cxx b/sw/source/uibase/sidebar/StylePresetsPanel.cxx
index f24bf135c706..ecb2e61bd3f6 100644
--- a/sw/source/uibase/sidebar/StylePresetsPanel.cxx
+++ b/sw/source/uibase/sidebar/StylePresetsPanel.cxx
@@ -33,7 +33,7 @@ namespace sw::sidebar {
 namespace {
 
 void renderPreview(sfx2::StyleManager* pStyleManager, OutputDevice& aOutputDevice,
-                   OUString const & sName, sal_Int32 nHeight, tools::Rectangle const & aRect)
+                   std::u16string_view sName, sal_Int32 nHeight, tools::Rectangle const & aRect)
 {
     SfxStyleSheetBase* pStyleSheet = pStyleManager->Search(sName, SfxStyleFamily::Para);
 
@@ -98,18 +98,18 @@ BitmapEx GenerateStylePreview(SfxObjectShell& rSource, OUString const & aName)
 
     {
         tools::Rectangle aRenderRect(Point(nMargin, y), aSize);
-        renderPreview(pStyleManager, *pVirtualDev, "Title", nTitleHeight, aRenderRect);
+        renderPreview(pStyleManager, *pVirtualDev, u"Title", nTitleHeight, aRenderRect);
         y += nTitleHeight;
     }
 
     {
         tools::Rectangle aRenderRect(Point(nMargin, y), aSize);
-        renderPreview(pStyleManager, *pVirtualDev, "Heading 1", nHeadingHeight, aRenderRect);
+        renderPreview(pStyleManager, *pVirtualDev, u"Heading 1", nHeadingHeight, aRenderRect);
         y += nHeadingHeight;
     }
     {
         tools::Rectangle aRenderRect(Point(nMargin, y), aSize);
-        renderPreview(pStyleManager, *pVirtualDev, "Text Body", nTextBodyHeight, aRenderRect);
+        renderPreview(pStyleManager, *pVirtualDev, u"Text Body", nTextBodyHeight, aRenderRect);
     }
 
     return pVirtualDev->GetBitmapEx(Point(), aSize);
diff --git a/sw/source/uibase/sidebar/ThemePanel.cxx b/sw/source/uibase/sidebar/ThemePanel.cxx
index f4c4951f6546..2ba276cf212e 100644
--- a/sw/source/uibase/sidebar/ThemePanel.cxx
+++ b/sw/source/uibase/sidebar/ThemePanel.cxx
@@ -104,7 +104,7 @@ public:
         maStyles.push_back(aRedefinition);
     }
 
-    StyleRedefinition* get(const OUString& aString)
+    StyleRedefinition* get(std::u16string_view aString)
     {
         for (StyleRedefinition & rStyle : maStyles)
         {
@@ -315,7 +315,7 @@ std::vector<FontSet> initFontSets()
     return aFontSets;
 }
 
-FontSet getFontSet(const OUString& rFontVariant, std::vector<FontSet>& aFontSets)
+FontSet getFontSet(std::u16string_view rFontVariant, std::vector<FontSet>& aFontSets)
 {
     for (const FontSet & rFontSet : aFontSets)
     {
@@ -325,7 +325,7 @@ FontSet getFontSet(const OUString& rFontVariant, std::vector<FontSet>& aFontSets
     return aFontSets[0];
 }
 
-void applyTheme(SfxStyleSheetBasePool* pPool, const OUString& sFontSetName, const OUString& sColorSetName,
+void applyTheme(SfxStyleSheetBasePool* pPool, std::u16string_view sFontSetName, std::u16string_view sColorSetName,
                 StyleSet& rStyleSet, svx::ColorSets& rColorSets)
 {
     SwDocStyleSheet* pStyle;
diff --git a/sw/source/uibase/uiview/view2.cxx b/sw/source/uibase/uiview/view2.cxx
index 4b83a3d00e95..bf6804075822 100644
--- a/sw/source/uibase/uiview/view2.cxx
+++ b/sw/source/uibase/uiview/view2.cxx
@@ -1178,7 +1178,7 @@ void SwView::Execute(SfxRequest &rReq)
             GetViewFrame()->ShowChildWindow(SID_SIDEBAR);
 
             ::sfx2::sidebar::Sidebar::ShowPanel(
-                "GalleryPanel",
+                u"GalleryPanel",
                 GetViewFrame()->GetFrame().GetFrameInterface());
         break;
         case SID_AVMEDIA_PLAYER :
diff --git a/sw/source/uibase/utlui/content.cxx b/sw/source/uibase/utlui/content.cxx
index 2ac47cd7efb7..dfaa0b123096 100644
--- a/sw/source/uibase/utlui/content.cxx
+++ b/sw/source/uibase/utlui/content.cxx
@@ -3092,9 +3092,9 @@ void SwContentTree::HideTree()
 }
 
 static void lcl_SelectByContentTypeAndName(SwContentTree* pThis, weld::TreeView& rContentTree,
-                                           const OUString& rContentTypeName, const OUString& rName)
+                                           std::u16string_view rContentTypeName, std::u16string_view rName)
 {
-    if (!rName.isEmpty())
+    if (!rName.empty())
     {
         // find content type entry
         std::unique_ptr<weld::TreeIter> xIter(rContentTree.make_iterator());
diff --git a/sw/source/uibase/utlui/gloslst.cxx b/sw/source/uibase/utlui/gloslst.cxx
index b58335850ad9..8d2dcc2af2d3 100644
--- a/sw/source/uibase/utlui/gloslst.cxx
+++ b/sw/source/uibase/utlui/gloslst.cxx
@@ -100,7 +100,7 @@ SwGlossaryList::~SwGlossaryList()
 // will be filled. Otherwise also rGroupName will be set and
 // on demand asked for the right group.
 
-bool SwGlossaryList::GetShortName(const OUString& rLongName,
+bool SwGlossaryList::GetShortName(std::u16string_view rLongName,
                                   OUString& rShortName, OUString& rGroupName )
 {
     if(!bFilled)
@@ -336,7 +336,7 @@ void SwGlossaryList::Invoke()
         Update();
 }
 
-AutoTextGroup* SwGlossaryList::FindGroup(const OUString& rGroupName)
+AutoTextGroup* SwGlossaryList::FindGroup(std::u16string_view rGroupName)
 {
     for(const auto & pRet : aGroupArr)
     {
diff --git a/sw/source/uibase/wrtsh/move.cxx b/sw/source/uibase/wrtsh/move.cxx
index 491a2fcbdb2a..bd076831167d 100644
--- a/sw/source/uibase/wrtsh/move.cxx
+++ b/sw/source/uibase/wrtsh/move.cxx
@@ -624,7 +624,7 @@ bool SwWrtShell::GotoOutline( const OUString& rName )
     return bRet;
 }
 
-bool SwWrtShell::GotoRegion( const OUString& rName )
+bool SwWrtShell::GotoRegion( std::u16string_view rName )
 {
     SwPosition aPos = *GetCursor()->GetPoint();
     bool bRet = SwCursorShell::GotoRegion (rName);
diff --git a/sw/source/uibase/wrtsh/wrtsh1.cxx b/sw/source/uibase/wrtsh/wrtsh1.cxx
index 8251a9978142..3fb11b740ca4 100644
--- a/sw/source/uibase/wrtsh/wrtsh1.cxx
+++ b/sw/source/uibase/wrtsh/wrtsh1.cxx
@@ -1526,7 +1526,7 @@ SwCharFormat *SwWrtShell::GetCharStyle(const OUString &rFormatName, GetStyle eCr
 //            frame format with this name exists or
 //            this is a default format or the format is automatic.
 
-SwFrameFormat *SwWrtShell::GetTableStyle(const OUString &rFormatName)
+SwFrameFormat *SwWrtShell::GetTableStyle(std::u16string_view rFormatName)
 {
     for( size_t i = GetTableFrameFormatCount(); i; )
     {
@@ -1804,7 +1804,7 @@ void SwWrtShell::SetReadonlyOption(bool bSet)
 // given all styles are changed
 
 void SwWrtShell::ChangeHeaderOrFooter(
-    const OUString& rStyleName, bool bHeader, bool bOn, bool bShowWarning)
+    std::u16string_view rStyleName, bool bHeader, bool bOn, bool bShowWarning)
 {
     SdrView *const pSdrView = GetDrawView();
     if (pSdrView && pSdrView->IsTextEdit())
@@ -1821,7 +1821,7 @@ void SwWrtShell::ChangeHeaderOrFooter(
     {
         SwPageDesc aDesc( GetPageDesc( nFrom ));
         OUString sTmp(aDesc.GetName());
-        if( rStyleName.isEmpty() || rStyleName == sTmp )
+        if( rStyleName.empty() || rStyleName == sTmp )
         {
             bool bChgd = false;
 
@@ -1872,7 +1872,7 @@ void SwWrtShell::ChangeHeaderOrFooter(
                     if ( !IsHeaderFooterEdit() )
                         ToggleHeaderFooterEdit();
                     bCursorSet = SetCursorInHdFt(
-                            rStyleName.isEmpty() ? SIZE_MAX : nFrom,
+                            rStyleName.empty() ? SIZE_MAX : nFrom,
                             bHeader );
                 }
             }