use std::u16string_view in SvXMLTokenEnumerator

Change-Id: I1194441063047637adc20c8e37bb717fdb787714
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/108073
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

23 files changed, 60 insertions, 59 deletions

diff --git a/include/xmloff/xmluconv.hxx b/include/xmloff/xmluconv.hxx
index 6c391d74fe7f..87d2e883be36 100644
--- a/include/xmloff/xmluconv.hxx
+++ b/include/xmloff/xmluconv.hxx
@@ -54,17 +54,17 @@ template <typename EnumT> struct SvXMLEnumStringMapEntry;
 class XMLOFF_DLLPUBLIC SvXMLTokenEnumerator
 {
 private:
-    const OUString&  maTokenString;
-    sal_Int32               mnNextTokenPos;
+    std::u16string_view     maTokenString;
+    size_t                  mnNextTokenPos;
     sal_Unicode             mcSeparator;
 
 public:
-    SvXMLTokenEnumerator( const OUString& rString, sal_Unicode cSeparator = u' ' );
+    SvXMLTokenEnumerator( std::u16string_view rString, sal_Unicode cSeparator = u' ' );
     /** just so no-one accidentally passes a temporary to this, and ends up with this class
      * accessing the temporary after the temporary has been deleted. */
     SvXMLTokenEnumerator( OUString&& , sal_Unicode cSeparator = u' ' ) = delete;
 
-    bool getNextToken( OUString& rToken );
+    bool getNextToken( std::u16string_view& rToken );
 };
 
 /** the SvXMLTypeConverter converts values of various types from
diff --git a/sw/source/filter/xml/xmlimpit.cxx b/sw/source/filter/xml/xmlimpit.cxx
index 1a0978bc9bbd..f41cec7cd206 100644
--- a/sw/source/filter/xml/xmlimpit.cxx
+++ b/sw/source/filter/xml/xmlimpit.cxx
@@ -417,7 +417,7 @@ bool SvXMLImportItemMapper::PutXMLValue(
             Color aColor( 128,128, 128 );
             rShadow.SetLocation( SvxShadowLocation::BottomRight );
 
-            OUString aToken;
+            std::u16string_view aToken;
             while( aTokenEnum.getNextToken( aToken ) )
             {
                 if( IsXMLToken( aToken, XML_NONE ) )
@@ -425,7 +425,7 @@ bool SvXMLImportItemMapper::PutXMLValue(
                     rShadow.SetLocation( SvxShadowLocation::NONE );
                     bOk = true;
                 }
-                else if( !bColorFound && aToken.startsWith("#") )
+                else if( !bColorFound && aToken.substr(0,1) == u"#" )
                 {
                     bOk = ::sax::Converter::convertColor( aColor, aToken );
                     if( !bOk )
@@ -576,7 +576,7 @@ bool SvXMLImportItemMapper::PutXMLValue(
 
                     sal_Int32 nInWidth, nDistance, nOutWidth;
 
-                    OUString aToken;
+                    std::u16string_view aToken;
                     if( !aTokenEnum.getNextToken( aToken ) )
                         return false;
 
@@ -732,7 +732,7 @@ bool SvXMLImportItemMapper::PutXMLValue(
                     SvxGraphicPosition ePos = GPOS_NONE, eTmp;
                     SvxGraphicPosition nTmp;
                     SvXMLTokenEnumerator aTokenEnum( rValue );
-                    OUString aToken;
+                    std::u16string_view aToken;
                     bool bHori = false, bVert = false;
                     bOk = true;
                     while( bOk && aTokenEnum.getNextToken( aToken ) )
@@ -741,7 +741,7 @@ bool SvXMLImportItemMapper::PutXMLValue(
                         {
                             bOk = false;
                         }
-                        else if( -1 != aToken.indexOf( '%' ) )
+                        else if( std::u16string_view::npos != aToken.find( '%' ) )
                         {
                             sal_Int32 nPrc = 50;
                             if (::sax::Converter::convertPercent(nPrc, aToken))
diff --git a/sw/source/filter/xml/xmlithlp.cxx b/sw/source/filter/xml/xmlithlp.cxx
index eb2bd25dbad4..552170949d91 100644
--- a/sw/source/filter/xml/xmlithlp.cxx
+++ b/sw/source/filter/xml/xmlithlp.cxx
@@ -74,14 +74,14 @@ const sal_uInt16 aBorderWidths[] =
         DEF_LINE_WIDTH_1,
 };
 
-bool sw_frmitems_parseXMLBorder( const OUString& rValue,
+bool sw_frmitems_parseXMLBorder( std::u16string_view rValue,
                                       const SvXMLUnitConverter& rUnitConverter,
                                       bool& rHasStyle, sal_uInt16& rStyle,
                                       bool& rHasWidth, sal_uInt16& rWidth,
                                       sal_uInt16& rNamedWidth,
                                       bool& rHasColor, Color& rColor )
 {
-    OUString aToken;
+    std::u16string_view aToken;
     SvXMLTokenEnumerator aTokens( rValue );
 
     rHasStyle = false;
@@ -93,7 +93,7 @@ bool sw_frmitems_parseXMLBorder( const OUString& rValue,
     rNamedWidth = USHRT_MAX;
 
     sal_Int32 nTemp;
-    while( aTokens.getNextToken( aToken ) && !aToken.isEmpty() )
+    while( aTokens.getNextToken( aToken ) && !aToken.empty() )
     {
         if( !rHasWidth &&
             SvXMLUnitConverter::convertEnum( rNamedWidth, aToken,
diff --git a/sw/source/filter/xml/xmlithlp.hxx b/sw/source/filter/xml/xmlithlp.hxx
index 57d688feffe5..99d3acd21dec 100644
--- a/sw/source/filter/xml/xmlithlp.hxx
+++ b/sw/source/filter/xml/xmlithlp.hxx
@@ -32,7 +32,7 @@ class Color;
 
 /** Define various helper variables and functions for xmlimpit.cxx and
  * xmlexpit.cxx.  */
-bool sw_frmitems_parseXMLBorder( const OUString& rValue,
+bool sw_frmitems_parseXMLBorder( std::u16string_view rValue,
                                       const SvXMLUnitConverter& rUnitConverter,
                                       bool& rHasStyle, sal_uInt16& rStyle,
                                       bool& rHasWidth, sal_uInt16& rWidth,
diff --git a/xmloff/inc/txtflde.hxx b/xmloff/inc/txtflde.hxx
index bf8545b77b60..81efbde29629 100644
--- a/xmloff/inc/txtflde.hxx
+++ b/xmloff/inc/txtflde.hxx
@@ -298,7 +298,7 @@ private:
     /// export a string as a sequence of paragraphs
     void ProcessParagraphSequence(
         /// string containing the paragraphs
-        const OUString& sParagraphSequence);
+        std::u16string_view sParagraphSequence);
 
     /// export a numbering format (numeric, roman, alphabetic, etc.)
     void ProcessNumberingType(
diff --git a/xmloff/source/core/xmluconv.cxx b/xmloff/source/core/xmluconv.cxx
index 8c137e131427..1517c7b8df86 100644
--- a/xmloff/source/core/xmluconv.cxx
+++ b/xmloff/source/core/xmluconv.cxx
@@ -473,32 +473,32 @@ bool SvXMLUnitConverter::convertDateTime( double& fDateTime,
 }
 
 
-SvXMLTokenEnumerator::SvXMLTokenEnumerator( const OUString& rString, sal_Unicode cSeparator /* = ' ' */ )
+SvXMLTokenEnumerator::SvXMLTokenEnumerator( std::u16string_view rString, sal_Unicode cSeparator /* = ' ' */ )
 : maTokenString( rString ), mnNextTokenPos(0), mcSeparator( cSeparator )
 {
 }
 
-bool SvXMLTokenEnumerator::getNextToken( OUString& rToken )
+bool SvXMLTokenEnumerator::getNextToken( std::u16string_view& rToken )
 {
-    if( -1 == mnNextTokenPos )
+    if( std::u16string_view::npos == mnNextTokenPos )
         return false;
 
-    int nTokenEndPos = maTokenString.indexOf( mcSeparator, mnNextTokenPos );
-    if( nTokenEndPos != -1 )
+    size_t nTokenEndPos = maTokenString.find( mcSeparator, mnNextTokenPos );
+    if( nTokenEndPos != std::u16string_view::npos )
     {
-        rToken = maTokenString.copy( mnNextTokenPos,
+        rToken = maTokenString.substr( mnNextTokenPos,
                                      nTokenEndPos - mnNextTokenPos );
         mnNextTokenPos = nTokenEndPos + 1;
 
         // if the mnNextTokenPos is at the end of the string, we have
         // to deliver an empty token
-        if( mnNextTokenPos > maTokenString.getLength() )
-            mnNextTokenPos = -1;
+        if( mnNextTokenPos > maTokenString.size() )
+            mnNextTokenPos = std::u16string_view::npos;
     }
     else
     {
-        rToken = maTokenString.copy( mnNextTokenPos );
-        mnNextTokenPos = -1;
+        rToken = maTokenString.substr( mnNextTokenPos );
+        mnNextTokenPos = std::u16string_view::npos;
     }
 
     return true;
diff --git a/xmloff/source/draw/ximppage.cxx b/xmloff/source/draw/ximppage.cxx
index 2ddd5140545f..be6732d5fe96 100644
--- a/xmloff/source/draw/ximppage.cxx
+++ b/xmloff/source/draw/ximppage.cxx
@@ -568,13 +568,13 @@ void SdXMLGenericPageContext::SetNavigationOrder()
 
         ::comphelper::UnoInterfaceToUniqueIdentifierMapper& rIdMapper = GetSdImport().getInterfaceToIdentifierMapper();
         SvXMLTokenEnumerator aEnumerator( msNavOrder );
-        OUString sId;
+        std::u16string_view sId;
         for( nIndex = 0; nIndex < nCount; ++nIndex )
         {
             if( !aEnumerator.getNextToken(sId) )
                 break;
 
-            aShapes[nIndex].set( rIdMapper.getReference( sId ), UNO_QUERY );
+            aShapes[nIndex].set( rIdMapper.getReference( OUString(sId) ), UNO_QUERY );
         }
 
         for( nIndex = 0; nIndex < nCount; ++nIndex )
diff --git a/xmloff/source/draw/ximpshap.cxx b/xmloff/source/draw/ximpshap.cxx
index cb28c4735415..b7be9280177c 100644
--- a/xmloff/source/draw/ximpshap.cxx
+++ b/xmloff/source/draw/ximpshap.cxx
@@ -1751,7 +1751,7 @@ bool SdXMLConnectorShapeContext::processAttribute( const sax_fastparser::FastAtt
         {
             OUString sValue = aIter.toString();
             SvXMLTokenEnumerator aTokenEnum( sValue );
-            OUString aToken;
+            std::u16string_view aToken;
             if( aTokenEnum.getNextToken( aToken ) )
             {
                 GetImport().GetMM100UnitConverter().convertMeasureToCore(
diff --git a/xmloff/source/draw/ximpshow.cxx b/xmloff/source/draw/ximpshow.cxx
index 4fba11fd380a..a59b68ab0fd1 100644
--- a/xmloff/source/draw/ximpshow.cxx
+++ b/xmloff/source/draw/ximpshow.cxx
@@ -208,10 +208,11 @@ css::uno::Reference< css::xml::sax::XFastContextHandler > SdXMLShowsContext::cre
             if( xShow.is() )
             {
                 SvXMLTokenEnumerator aPageNames( aPages, ',' );
-                OUString sPageName;
+                std::u16string_view sPageNameView;
 
-                while( aPageNames.getNextToken( sPageName ) )
+                while( aPageNames.getNextToken( sPageNameView ) )
                 {
+                    OUString sPageName(sPageNameView);
                     if( !mxPages->hasByName( sPageName ) )
                         continue;
 
diff --git a/xmloff/source/forms/controlpropertyhdl.cxx b/xmloff/source/forms/controlpropertyhdl.cxx
index feced0594b5c..cb3badee22b7 100644
--- a/xmloff/source/forms/controlpropertyhdl.cxx
+++ b/xmloff/source/forms/controlpropertyhdl.cxx
@@ -149,7 +149,7 @@ namespace xmloff
         bool bBelow = false;
         bool bHasPos = false, bHasType = false;
 
-        OUString sToken;
+        std::u16string_view sToken;
         SvXMLTokenEnumerator aTokenEnum(_rStrImpValue);
         while (aTokenEnum.getNextToken(sToken))
         {
@@ -197,13 +197,13 @@ namespace xmloff
 
     bool OControlBorderHandler::importXML( const OUString& _rStrImpValue, Any& _rValue, const SvXMLUnitConverter& ) const
     {
-        OUString sToken;
+        std::u16string_view sToken;
         SvXMLTokenEnumerator aTokens(_rStrImpValue);
 
         sal_uInt16 nStyle = 1;
 
         while   (   aTokens.getNextToken(sToken)    // have a new token
-                &&  (!sToken.isEmpty())       // really have a new token
+                &&  (!sToken.empty())       // really have a new token
                 )
         {
             // try interpreting the token as border style
diff --git a/xmloff/source/style/XMLBackgroundImageContext.cxx b/xmloff/source/style/XMLBackgroundImageContext.cxx
index a32bdde772f1..cd500672c6fc 100644
--- a/xmloff/source/style/XMLBackgroundImageContext.cxx
+++ b/xmloff/source/style/XMLBackgroundImageContext.cxx
@@ -161,7 +161,7 @@ void XMLBackgroundImageContext::ProcessAttrs(
                 GraphicLocation eNewPos = GraphicLocation_NONE, eTmp;
                 OUString sValue = aIter.toString();
                 SvXMLTokenEnumerator aTokenEnum( sValue );
-                OUString aToken;
+                std::u16string_view aToken;
                 bool bHori = false, bVert = false;
                 bool bOK = true;
                 while( bOK && aTokenEnum.getNextToken( aToken ) )
@@ -171,7 +171,7 @@ void XMLBackgroundImageContext::ProcessAttrs(
                     {
                         bOK = false;
                     }
-                    else if( -1 != aToken.indexOf( '%' ) )
+                    else if( std::u16string_view::npos != aToken.find( '%' ) )
                     {
                         sal_Int32 nPrc = 50;
                         if (::sax::Converter::convertPercent( nPrc, aToken ))
diff --git a/xmloff/source/style/XMLBitmapRepeatOffsetPropertyHandler.cxx b/xmloff/source/style/XMLBitmapRepeatOffsetPropertyHandler.cxx
index 9b8ad7c63f80..29e743dfa3f0 100644
--- a/xmloff/source/style/XMLBitmapRepeatOffsetPropertyHandler.cxx
+++ b/xmloff/source/style/XMLBitmapRepeatOffsetPropertyHandler.cxx
@@ -50,7 +50,7 @@ bool XMLBitmapRepeatOffsetPropertyHandler::importXML(
     const SvXMLUnitConverter& ) const
 {
     SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
-    OUString aToken;
+    std::u16string_view aToken;
     if( aTokenEnum.getNextToken( aToken ) )
     {
         sal_Int32 nValue;
diff --git a/xmloff/source/style/XMLClipPropertyHandler.cxx b/xmloff/source/style/XMLClipPropertyHandler.cxx
index f577c70bbc79..4bfa563d2ade 100644
--- a/xmloff/source/style/XMLClipPropertyHandler.cxx
+++ b/xmloff/source/style/XMLClipPropertyHandler.cxx
@@ -73,7 +73,7 @@ bool XMLClipPropertyHandler::importXML( const OUString& rStrImpValue, uno::Any&
         SvXMLTokenEnumerator aTokenEnum( sTmp, bHasComma ? ',' : ' ' );
 
         sal_uInt16 nPos = 0;
-        OUString aToken;
+        std::u16string_view aToken;
         while( aTokenEnum.getNextToken( aToken ) )
         {
             sal_Int32 nVal = 0;
@@ -84,7 +84,7 @@ bool XMLClipPropertyHandler::importXML( const OUString& rStrImpValue, uno::Any&
             // fdo#80009 such nonsense could be written via WW8 import fdo#77454
             if (abs(nVal) > 400000)
             {
-                SAL_INFO("xmloff.style", "ignoring excessive clip " << aToken);
+                SAL_INFO("xmloff.style", "ignoring excessive clip " << OUString(aToken));
                 nVal = 0;
             }
 
diff --git a/xmloff/source/style/backhdl.cxx b/xmloff/source/style/backhdl.cxx
index 63c74306104a..4df7a2f6e527 100644
--- a/xmloff/source/style/backhdl.cxx
+++ b/xmloff/source/style/backhdl.cxx
@@ -57,7 +57,7 @@ bool XMLBackGraphicPositionPropHdl::importXML( const OUString& rStrImpValue, uno
     style::GraphicLocation ePos = style::GraphicLocation_NONE, eTmp;
     style::GraphicLocation nTmpGraphicLocation;
     SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
-    OUString aToken;
+    std::u16string_view aToken;
     bool bHori = false, bVert = false;
 
     while( bRet && aTokenEnum.getNextToken( aToken ) )
@@ -66,7 +66,7 @@ bool XMLBackGraphicPositionPropHdl::importXML( const OUString& rStrImpValue, uno
         {
             bRet = false;
         }
-        else if( -1 != aToken.indexOf( '%' ) )
+        else if( std::u16string_view::npos != aToken.find( '%' ) )
         {
             sal_Int32 nPrc = 50;
             if (::sax::Converter::convertPercent( nPrc, aToken ))
diff --git a/xmloff/source/style/bordrhdl.cxx b/xmloff/source/style/bordrhdl.cxx
index df587d44ce7b..4b3a7b666cd2 100644
--- a/xmloff/source/style/bordrhdl.cxx
+++ b/xmloff/source/style/bordrhdl.cxx
@@ -98,7 +98,7 @@ bool XMLBorderWidthHdl::importXML( const OUString& rStrImpValue, uno::Any& rValu
 
     sal_Int32 nInWidth, nDistance, nOutWidth;
 
-    OUString aToken;
+    std::u16string_view aToken;
     if( !aTokenEnum.getNextToken( aToken ) )
         return false;
 
@@ -177,7 +177,7 @@ XMLBorderHdl::~XMLBorderHdl()
 
 bool XMLBorderHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& rUnitConverter ) const
 {
-    OUString aToken;
+    std::u16string_view aToken;
     SvXMLTokenEnumerator aTokens( rStrImpValue );
 
     bool bHasStyle = false;
@@ -190,7 +190,7 @@ bool XMLBorderHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, co
     sal_Int32 nColor = 0;
 
     sal_Int32 nTemp;
-    while( aTokens.getNextToken( aToken ) && !aToken.isEmpty() )
+    while( aTokens.getNextToken( aToken ) && !aToken.empty() )
     {
         if( !bHasWidth &&
             SvXMLUnitConverter::convertEnum( nNamedWidth, aToken,
diff --git a/xmloff/source/style/escphdl.cxx b/xmloff/source/style/escphdl.cxx
index 5be03b9000ac..8148fb69a011 100644
--- a/xmloff/source/style/escphdl.cxx
+++ b/xmloff/source/style/escphdl.cxx
@@ -43,7 +43,7 @@ bool XMLEscapementPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rV
 
     SvXMLTokenEnumerator aTokens( rStrImpValue );
 
-    OUString aToken;
+    std::u16string_view aToken;
     if( ! aTokens.getNextToken( aToken ) )
         return false;
 
@@ -108,7 +108,7 @@ bool XMLEscapementHeightPropHdl::importXML( const OUString& rStrImpValue, uno::A
 
     SvXMLTokenEnumerator aTokens( rStrImpValue );
 
-    OUString aToken;
+    std::u16string_view aToken;
     if( ! aTokens.getNextToken( aToken ) )
         return false;
 
diff --git a/xmloff/source/style/shadwhdl.cxx b/xmloff/source/style/shadwhdl.cxx
index 2b02a40cb1c8..b0c9e49a5c14 100644
--- a/xmloff/source/style/shadwhdl.cxx
+++ b/xmloff/source/style/shadwhdl.cxx
@@ -50,7 +50,7 @@ bool XMLShadowPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue
     bool bOffsetFound = false;
     SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
     Color aColor( 128,128, 128 );
-    OUString aToken;
+    std::u16string_view aToken;
 
     while( aTokenEnum.getNextToken( aToken ) )
     {
@@ -60,7 +60,7 @@ bool XMLShadowPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue
             bRet = true;
             break;
         }
-        else if( !bColorFound && aToken.startsWith("#") )
+        else if( !bColorFound && aToken.substr(0,1) == u"#" )
         {
             bRet = ::sax::Converter::convertColor( aColor, aToken );
             if( !bRet )
diff --git a/xmloff/source/text/XMLRedlineExport.cxx b/xmloff/source/text/XMLRedlineExport.cxx
index 966a0614a3f9..e309b1d86731 100644
--- a/xmloff/source/text/XMLRedlineExport.cxx
+++ b/xmloff/source/text/XMLRedlineExport.cxx
@@ -605,20 +605,20 @@ void XMLRedlineExport::ExportStartOrEndRedline(
     }
 }
 
-void XMLRedlineExport::WriteComment(const OUString& rComment)
+void XMLRedlineExport::WriteComment(std::u16string_view rComment)
 {
-    if (rComment.isEmpty())
+    if (rComment.empty())
         return;
 
     // iterate over all string-pieces separated by return (0x0a) and
     // put each inside a paragraph element.
     SvXMLTokenEnumerator aEnumerator(rComment, char(0x0a));
-    OUString aSubString;
+    std::u16string_view aSubString;
     while (aEnumerator.getNextToken(aSubString))
     {
         SvXMLElementExport aParagraph(
             rExport, XML_NAMESPACE_TEXT, XML_P, true, false);
-        rExport.Characters(aSubString);
+        rExport.Characters(OUString(aSubString));
     }
 }
 
diff --git a/xmloff/source/text/XMLRedlineExport.hxx b/xmloff/source/text/XMLRedlineExport.hxx
index f67d124e8a17..5ab7230d7fde 100644
--- a/xmloff/source/text/XMLRedlineExport.hxx
+++ b/xmloff/source/text/XMLRedlineExport.hxx
@@ -158,7 +158,7 @@ private:
         const css::uno::Reference<css::beans::XPropertySet> & rPropSet);
 
     /// write a comment string as sequence of <text:p> elements
-    void WriteComment(const OUString& rComment);
+    void WriteComment(std::u16string_view rComment);
 };
 
 #endif
diff --git a/xmloff/source/text/txtflde.cxx b/xmloff/source/text/txtflde.cxx
index 13d221672bff..47dfb71a0bd9 100644
--- a/xmloff/source/text/txtflde.cxx
+++ b/xmloff/source/text/txtflde.cxx
@@ -2535,17 +2535,17 @@ void XMLTextFieldExport::ProcessString(
 
 /// export a string as a sequence of paragraphs
 void XMLTextFieldExport::ProcessParagraphSequence(
-    const OUString& sParagraphSequence)
+    std::u16string_view sParagraphSequence)
 {
     // iterate over all string-pieces separated by return (0x0a) and
     // put each inside a paragraph element.
     SvXMLTokenEnumerator aEnumerator(sParagraphSequence, char(0x0a));
-    OUString aSubString;
+    std::u16string_view aSubString;
     while (aEnumerator.getNextToken(aSubString))
     {
         SvXMLElementExport aParagraph(
             GetExport(), XML_NAMESPACE_TEXT, XML_P, true, false);
-        GetExport().Characters(aSubString);
+        GetExport().Characters(OUString(aSubString));
     }
 }
 
diff --git a/xmloff/source/text/txtprhdl.cxx b/xmloff/source/text/txtprhdl.cxx
index 0cca1a9489ee..addb880a1b3b 100644
--- a/xmloff/source/text/txtprhdl.cxx
+++ b/xmloff/source/text/txtprhdl.cxx
@@ -542,7 +542,7 @@ bool XMLFrameProtectPropHdl_Impl::importXML(
     {
         bRet = false;
         SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
-        OUString aToken;
+        std::u16string_view aToken;
         while( aTokenEnum.getNextToken( aToken ) )
         {
             bRet = true;
@@ -768,7 +768,7 @@ bool XMLGrfMirrorPropHdl_Impl::importXML(
     {
         bRet = false;
         SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
-        OUString aToken;
+        std::u16string_view aToken;
         while( aTokenEnum.getNextToken( aToken ) )
         {
             bRet = true;
@@ -860,7 +860,7 @@ bool XMLTextEmphasizePropHdl_Impl::importXML(
     sal_uInt16 nVal = FontEmphasis::NONE;
     bool bBelow = false;
     bool bHasPos = false, bHasType = false;
-    OUString aToken;
+    std::u16string_view aToken;
 
     SvXMLTokenEnumerator aTokenEnum( rStrImpValue );
     while( aTokenEnum.getNextToken( aToken ) )
diff --git a/xmloff/source/transform/StyleOASISTContext.cxx b/xmloff/source/transform/StyleOASISTContext.cxx
index d8afd425d767..4e708db44962 100644
--- a/xmloff/source/transform/StyleOASISTContext.cxx
+++ b/xmloff/source/transform/StyleOASISTContext.cxx
@@ -471,7 +471,7 @@ void XMLPropertiesTContext_Impl::StartElement(
                         // Adapts attribute values (#i49139#)
                         OUStringBuffer aNewAttrValue;
                         SvXMLTokenEnumerator aTokenEnum( rAttrValue );
-                        OUString aToken;
+                        std::u16string_view aToken;
                         while( aTokenEnum.getNextToken( aToken ) )
                         {
                             if ( !aNewAttrValue.isEmpty() )
diff --git a/xmloff/source/transform/StyleOOoTContext.cxx b/xmloff/source/transform/StyleOOoTContext.cxx
index 735d365068ca..fd6d082822cd 100644
--- a/xmloff/source/transform/StyleOOoTContext.cxx
+++ b/xmloff/source/transform/StyleOOoTContext.cxx
@@ -877,7 +877,7 @@ void XMLPropertiesOOoTContext_Impl::StartElement(
         case XML_ATACTION_STYLE_MIRROR_OOO:   // adapts style:mirror values
             {
                 SvXMLTokenEnumerator aTokenEnum( sAttrValue );
-                OUString aToken;
+                std::u16string_view aToken;
                 while( aTokenEnum.getNextToken( aToken ) )
                 {
                     if ( !aStyleMirrorAttrValue.isEmpty() )