use string_view in INetURLObject::decode

Change-Id: I10e04970ceac33c9c3fbfd0182dd2140e06cb80b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114658
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

33 files changed, 99 insertions, 111 deletions

diff --git a/fpicker/source/office/RemoteFilesDialog.cxx b/fpicker/source/office/RemoteFilesDialog.cxx
index 1282d47115a3..ee031caf099d 100644
--- a/fpicker/source/office/RemoteFilesDialog.cxx
+++ b/fpicker/source/office/RemoteFilesDialog.cxx
@@ -1087,7 +1087,7 @@ void RemoteFilesDialog::UpdateControls( const OUString& rURL )
         if( nTitleStart != -1 )
         {
             OUString sTitle( INetURLObject::decode(
-                                aFolderName.copy( nTitleStart + 1 ),
+                                aFolderName.subView( nTitleStart + 1 ),
                                 INetURLObject::DecodeMechanism::WithCharset ) );
 
             if( rFolder.mbIsFolder )
diff --git a/include/oox/core/xmlfilterbase.hxx b/include/oox/core/xmlfilterbase.hxx
index ce8ab9e3ae47..7c1cada284d2 100644
--- a/include/oox/core/xmlfilterbase.hxx
+++ b/include/oox/core/xmlfilterbase.hxx
@@ -163,7 +163,7 @@ public:
 
         @return  Added relation Id.
      */
-    OUString     addRelation( const OUString& rType, const OUString& rTarget );
+    OUString     addRelation( const OUString& rType, std::u16string_view rTarget );
 
     /** Adds new relation to part's relations.
 
@@ -178,7 +178,7 @@ public:
 
         @return  Added relation Id.
      */
-    OUString     addRelation( const css::uno::Reference< css::io::XOutputStream >& rOutputStream, const OUString& rType, const OUString& rTarget, bool bExternal = false );
+    OUString     addRelation( const css::uno::Reference< css::io::XOutputStream >& rOutputStream, const OUString& rType, std::u16string_view rTarget, bool bExternal = false );
 
     /** Returns a stack of used textfields, used by the pptx importer to replace links to slidepages with the real page name */
     TextFieldStack& getTextFieldStack() const;
diff --git a/include/oox/export/drawingml.hxx b/include/oox/export/drawingml.hxx
index bc9c8bc9dd69..2876d59c5367 100644
--- a/include/oox/export/drawingml.hxx
+++ b/include/oox/export/drawingml.hxx
@@ -323,7 +323,7 @@ public:
 
     sax_fastparser::FSHelperPtr     CreateOutputStream (
                                         const OUString& sFullStream,
-                                        const OUString& sRelativeStream,
+                                        std::u16string_view sRelativeStream,
                                         const css::uno::Reference< css::io::XOutputStream >& xParentRelation,
                                         const char* sContentType,
                                         const char* sRelationshipType,
diff --git a/include/tools/urlobj.hxx b/include/tools/urlobj.hxx
index 1fb5f4e86aea..e323e5049987 100644
--- a/include/tools/urlobj.hxx
+++ b/include/tools/urlobj.hxx
@@ -839,12 +839,7 @@ public:
         @return  The text, decoded according to the given mechanism and
         charset (escape sequences replaced by 'raw' characters).
      */
-    static inline OUString decode(OUString const & rText,
-                                   DecodeMechanism eMechanism,
-                                   rtl_TextEncoding eCharset
-                                       = RTL_TEXTENCODING_UTF8);
-
-    static inline OUString decode(OUStringBuffer const & rText,
+    static inline OUString decode(std::u16string_view rText,
                                    DecodeMechanism eMechanism,
                                    rtl_TextEncoding eCharset
                                        = RTL_TEXTENCODING_UTF8);
@@ -1298,19 +1293,11 @@ inline OUString INetURLObject::encode(OUString const & rText, Part ePart,
 }
 
 // static
-inline OUString INetURLObject::decode(OUString const & rText,
-                                       DecodeMechanism eMechanism,
-                                       rtl_TextEncoding eCharset)
-{
-    return decode(rText.getStr(), rText.getStr() + rText.getLength(),
-                  eMechanism, eCharset);
-}
-
-inline OUString INetURLObject::decode(OUStringBuffer const & rText,
+inline OUString INetURLObject::decode(std::u16string_view rText,
                                        DecodeMechanism eMechanism,
                                        rtl_TextEncoding eCharset)
 {
-    return decode(rText.getStr(), rText.getStr() + rText.getLength(),
+    return decode(rText.data(), rText.data() + rText.size(),
                   eMechanism, eCharset);
 }
 
diff --git a/oox/source/core/xmlfilterbase.cxx b/oox/source/core/xmlfilterbase.cxx
index b46392d1a246..a61d80e6cc6b 100644
--- a/oox/source/core/xmlfilterbase.cxx
+++ b/oox/source/core/xmlfilterbase.cxx
@@ -507,7 +507,7 @@ TextFieldStack& XmlFilterBase::getTextFieldStack() const
 
 namespace {
 
-OUString lclAddRelation( const Reference< XRelationshipAccess >& rRelations, sal_Int32 nId, const OUString& rType, const OUString& rTarget, bool bExternal )
+OUString lclAddRelation( const Reference< XRelationshipAccess >& rRelations, sal_Int32 nId, const OUString& rType, std::u16string_view rTarget, bool bExternal )
 {
     OUString sId = "rId" + OUString::number( nId );
 
@@ -528,7 +528,7 @@ OUString lclAddRelation( const Reference< XRelationshipAccess >& rRelations, sal
 
 } // namespace
 
-OUString XmlFilterBase::addRelation( const OUString& rType, const OUString& rTarget )
+OUString XmlFilterBase::addRelation( const OUString& rType, std::u16string_view rTarget )
 {
     Reference< XRelationshipAccess > xRelations( getStorage()->getXStorage(), UNO_QUERY );
     if( xRelations.is() )
@@ -537,7 +537,7 @@ OUString XmlFilterBase::addRelation( const OUString& rType, const OUString& rTar
     return OUString();
 }
 
-OUString XmlFilterBase::addRelation( const Reference< XOutputStream >& rOutputStream, const OUString& rType, const OUString& rTarget, bool bExternal )
+OUString XmlFilterBase::addRelation( const Reference< XOutputStream >& rOutputStream, const OUString& rType, std::u16string_view rTarget, bool bExternal )
 {
     sal_Int32 nId = 0;
 
@@ -631,7 +631,7 @@ writeCoreProperties( XmlFilterBase& rSelf, const Reference< XDocumentProperties
     else
         sValue = "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties";
 
-    rSelf.addRelation( sValue, "docProps/core.xml" );
+    rSelf.addRelation( sValue, u"docProps/core.xml" );
     FSHelperPtr pCoreProps = rSelf.openFragmentStreamWithSerializer(
             "docProps/core.xml",
             "application/vnd.openxmlformats-package.core-properties+xml" );
@@ -705,7 +705,7 @@ writeAppProperties( XmlFilterBase& rSelf, const Reference< XDocumentProperties >
 {
     rSelf.addRelation(
             "http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties",
-            "docProps/app.xml" );
+            u"docProps/app.xml" );
     FSHelperPtr pAppProps = rSelf.openFragmentStreamWithSerializer(
             "docProps/app.xml",
             "application/vnd.openxmlformats-officedocument.extended-properties+xml" );
@@ -845,7 +845,7 @@ writeCustomProperties( XmlFilterBase& rSelf, const Reference< XDocumentPropertie
 
     rSelf.addRelation(
             "http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties",
-            "docProps/custom.xml" );
+            u"docProps/custom.xml" );
     FSHelperPtr pAppProps = rSelf.openFragmentStreamWithSerializer(
             "docProps/custom.xml",
             "application/vnd.openxmlformats-officedocument.custom-properties+xml" );
@@ -1177,7 +1177,7 @@ void XmlFilterBase::exportCustomFragments()
         const OUString fragmentPath = "customXml/item" + OUString::number((j+1)) + ".xml";
         if (customXmlDom.is())
         {
-            addRelation(oox::getRelationship(Relationship::CUSTOMXML), "../" + fragmentPath);
+            addRelation(oox::getRelationship(Relationship::CUSTOMXML), OUString("../" + fragmentPath));
 
             uno::Reference<xml::sax::XSAXSerializable> serializer(customXmlDom, uno::UNO_QUERY);
             uno::Reference<xml::sax::XWriter> writer = xml::sax::Writer::create(comphelper::getProcessComponentContext());
@@ -1198,7 +1198,7 @@ void XmlFilterBase::exportCustomFragments()
             // Adding itemprops's relationship entry to item.xml.rels file
             addRelation(openFragmentStream(fragmentPath, "application/xml"),
                         oox::getRelationship(Relationship::CUSTOMXMLPROPS),
-                        "itemProps"+OUString::number((j+1))+".xml");
+                        OUString("itemProps"+OUString::number((j+1))+".xml"));
         }
     }
 
diff --git a/oox/source/export/drawingml.cxx b/oox/source/export/drawingml.cxx
index dfb81a27e713..07dad1fb8b75 100644
--- a/oox/source/export/drawingml.cxx
+++ b/oox/source/export/drawingml.cxx
@@ -3821,7 +3821,7 @@ sal_Unicode DrawingML::SubstituteBullet( sal_Unicode cBulletId, css::awt::FontDe
 
 sax_fastparser::FSHelperPtr DrawingML::CreateOutputStream (
     const OUString& sFullStream,
-    const OUString& sRelativeStream,
+    std::u16string_view sRelativeStream,
     const Reference< XOutputStream >& xParentRelation,
     const char* sContentType,
     const char* sRelationshipType,
@@ -4856,7 +4856,7 @@ void DrawingML::WriteDiagram(const css::uno::Reference<css::drawing::XShape>& rX
     OUString dataFileName = "diagrams/data" + OUString::number(nDiagramId) + ".xml";
     OString dataRelId = OUStringToOString(
         mpFB->addRelation(mpFS->getOutputStream(), oox::getRelationship(Relationship::DIAGRAMDATA),
-                          sRelationCompPrefix + dataFileName),
+                          OUString(sRelationCompPrefix + dataFileName)),
         RTL_TEXTENCODING_UTF8);
 
     // add layout relation
@@ -4864,7 +4864,7 @@ void DrawingML::WriteDiagram(const css::uno::Reference<css::drawing::XShape>& rX
     OString layoutRelId
         = OUStringToOString(mpFB->addRelation(mpFS->getOutputStream(),
                                               oox::getRelationship(Relationship::DIAGRAMLAYOUT),
-                                              sRelationCompPrefix + layoutFileName),
+                                              OUString(sRelationCompPrefix + layoutFileName)),
                             RTL_TEXTENCODING_UTF8);
 
     // add style relation
@@ -4872,7 +4872,7 @@ void DrawingML::WriteDiagram(const css::uno::Reference<css::drawing::XShape>& rX
     OString styleRelId
         = OUStringToOString(mpFB->addRelation(mpFS->getOutputStream(),
                                               oox::getRelationship(Relationship::DIAGRAMQUICKSTYLE),
-                                              sRelationCompPrefix + styleFileName),
+                                              OUString(sRelationCompPrefix + styleFileName)),
                             RTL_TEXTENCODING_UTF8);
 
     // add color relation
@@ -4880,7 +4880,7 @@ void DrawingML::WriteDiagram(const css::uno::Reference<css::drawing::XShape>& rX
     OString colorRelId
         = OUStringToOString(mpFB->addRelation(mpFS->getOutputStream(),
                                               oox::getRelationship(Relationship::DIAGRAMCOLORS),
-                                              sRelationCompPrefix + colorFileName),
+                                              OUString(sRelationCompPrefix + colorFileName)),
                             RTL_TEXTENCODING_UTF8);
 
     OUString drawingFileName;
@@ -4890,7 +4890,7 @@ void DrawingML::WriteDiagram(const css::uno::Reference<css::drawing::XShape>& rX
         drawingFileName = "diagrams/drawing" + OUString::number(nDiagramId) + ".xml";
         OUString drawingRelId = mpFB->addRelation(
             mpFS->getOutputStream(), oox::getRelationship(Relationship::DIAGRAMDRAWING),
-            sRelationCompPrefix + drawingFileName);
+            OUString(sRelationCompPrefix + drawingFileName));
 
         // the data dom contains a reference to the drawing relation. We need to update it with the new generated
         // relation value before writing the dom to a file
@@ -5021,7 +5021,7 @@ void DrawingML::writeDiagramRels(const uno::Sequence<uno::Sequence<uno::Any>>& x
         PropertySet aProps(xOutStream);
         aProps.setAnyProperty(PROP_RelId, uno::makeAny(sRelId.toInt32()));
 
-        mpFB->addRelation(xOutStream, sType, "../" + sFragment);
+        mpFB->addRelation(xOutStream, sType, OUString("../" + sFragment));
 
         OUString sDir = OUString::createFromAscii(GetComponentDir());
         uno::Reference<io::XOutputStream> xBinOutStream
diff --git a/oox/source/export/shapes.cxx b/oox/source/export/shapes.cxx
index 81aae66df134..f45b0aabc61d 100644
--- a/oox/source/export/shapes.cxx
+++ b/oox/source/export/shapes.cxx
@@ -2114,7 +2114,7 @@ ShapeExport& ShapeExport::WriteOLE2Shape( const Reference< XShape >& xShape )
 
     OUString const sRelId = mpFB->addRelation(
         mpFS->getOutputStream(), sRelationType,
-        OUString::createFromAscii(GetRelationCompPrefix()) + sFileName);
+        OUString(OUString::createFromAscii(GetRelationCompPrefix()) + sFileName));
 
     mpFS->startElementNS(mnXmlNamespace, XML_graphicFrame);
 
diff --git a/sc/source/core/tool/compiler.cxx b/sc/source/core/tool/compiler.cxx
index 488e5ab1fd9f..9e8f8929dc12 100644
--- a/sc/source/core/tool/compiler.cxx
+++ b/sc/source/core/tool/compiler.cxx
@@ -1184,7 +1184,7 @@ struct ConventionXL
         return lcl_makeExternalNameStr( rFile, rName, '!', false);
     }
 
-    static void makeExternalDocStr( OUStringBuffer& rBuffer, const OUString& rFullName )
+    static void makeExternalDocStr( OUStringBuffer& rBuffer, std::u16string_view rFullName )
     {
         // Format that is easier to deal with inside OOo, because we use file
         // URL, and all characters are allowed.  Check if it makes sense to do
diff --git a/sc/source/filter/excel/xecontent.cxx b/sc/source/filter/excel/xecontent.cxx
index f505968d6373..cf0c3777f39f 100644
--- a/sc/source/filter/excel/xecontent.cxx
+++ b/sc/source/filter/excel/xecontent.cxx
@@ -209,7 +209,7 @@ void XclExpSstImpl::SaveXml( XclExpXmlStream& rStrm )
 
     sax_fastparser::FSHelperPtr pSst = rStrm.CreateOutputStream(
             "xl/sharedStrings.xml",
-            "sharedStrings.xml",
+            u"sharedStrings.xml",
             rStrm.GetCurrentStream()->getOutputStream(),
             "application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml",
             oox::getRelationship(Relationship::SHAREDSTRINGS));
diff --git a/sc/source/filter/excel/xestream.cxx b/sc/source/filter/excel/xestream.cxx
index 18647bbd3c02..f98d81601f41 100644
--- a/sc/source/filter/excel/xestream.cxx
+++ b/sc/source/filter/excel/xestream.cxx
@@ -939,7 +939,7 @@ void XclExpXmlStream::WriteAttribute(sal_Int32 nAttr, std::u16string_view sVal)
 
 sax_fastparser::FSHelperPtr XclExpXmlStream::CreateOutputStream (
     const OUString& sFullStream,
-    const OUString& sRelativeStream,
+    std::u16string_view sRelativeStream,
     const uno::Reference< XOutputStream >& xParentRelation,
     const char* sContentType,
     std::u16string_view sRelationshipType,
@@ -1093,7 +1093,7 @@ bool XclExpXmlStream::exportDocument()
                 openFragmentStream("xl/vbaProject.bin", "application/vnd.ms-office.vbaProject");
             comphelper::OStorageHelper::CopyInputToOutput(xVBAStream, xVBAOutput);
 
-            addRelation(GetCurrentStream()->getOutputStream(), oox::getRelationship(Relationship::VBAPROJECT), "vbaProject.bin");
+            addRelation(GetCurrentStream()->getOutputStream(), oox::getRelationship(Relationship::VBAPROJECT), u"vbaProject.bin");
         }
     }
 
diff --git a/sc/source/filter/excel/xestyle.cxx b/sc/source/filter/excel/xestyle.cxx
index 6376371fb1da..d3830d7ad9b0 100644
--- a/sc/source/filter/excel/xestyle.cxx
+++ b/sc/source/filter/excel/xestyle.cxx
@@ -3189,7 +3189,7 @@ void XclExpXmlStyleSheet::SaveXml( XclExpXmlStream& rStrm )
 {
     sax_fastparser::FSHelperPtr aStyleSheet = rStrm.CreateOutputStream(
             "xl/styles.xml",
-            "styles.xml",
+            u"styles.xml",
             rStrm.GetCurrentStream()->getOutputStream(),
             "application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml",
             oox::getRelationship(Relationship::STYLES));
diff --git a/sc/source/filter/inc/xestream.hxx b/sc/source/filter/inc/xestream.hxx
index e8161e31e182..3dfdb87fbe40 100644
--- a/sc/source/filter/inc/xestream.hxx
+++ b/sc/source/filter/inc/xestream.hxx
@@ -309,7 +309,7 @@ public:
 
     sax_fastparser::FSHelperPtr     CreateOutputStream (
                                         const OUString& sFullStream,
-                                        const OUString& sRelativeStream,
+                                        std::u16string_view sRelativeStream,
                                         const css::uno::Reference< css::io::XOutputStream >& xParentRelation,
                                         const char* sContentType,
                                         std::u16string_view sRelationshipType,
diff --git a/sc/source/filter/xcl97/XclExpChangeTrack.cxx b/sc/source/filter/xcl97/XclExpChangeTrack.cxx
index 1efcd8b4f0e9..5ddd4bf64d7e 100644
--- a/sc/source/filter/xcl97/XclExpChangeTrack.cxx
+++ b/sc/source/filter/xcl97/XclExpChangeTrack.cxx
@@ -1616,7 +1616,7 @@ static void lcl_WriteUserNamesXml( XclExpXmlStream& rWorkbookStrm )
 {
     sax_fastparser::FSHelperPtr pUserNames = rWorkbookStrm.CreateOutputStream(
             "xl/revisions/userNames.xml",
-            "revisions/userNames.xml",
+            u"revisions/userNames.xml",
             rWorkbookStrm.GetCurrentStream()->getOutputStream(),
             "application/vnd.openxmlformats-officedocument.spreadsheetml.userNames+xml",
             CREATE_OFFICEDOC_RELATION_TYPE("usernames"));
@@ -1639,7 +1639,7 @@ void XclExpChangeTrack::WriteXml( XclExpXmlStream& rWorkbookStrm )
 
     sax_fastparser::FSHelperPtr pRevisionHeaders = rWorkbookStrm.CreateOutputStream(
             "xl/revisions/revisionHeaders.xml",
-            "revisions/revisionHeaders.xml",
+            u"revisions/revisionHeaders.xml",
             rWorkbookStrm.GetCurrentStream()->getOutputStream(),
             "application/vnd.openxmlformats-officedocument.spreadsheetml.revisionHeaders+xml",
             CREATE_OFFICEDOC_RELATION_TYPE("revisionHeaders"));
diff --git a/sd/source/filter/eppt/pptx-epptooxml.cxx b/sd/source/filter/eppt/pptx-epptooxml.cxx
index afed524c0452..d87f51a07712 100644
--- a/sd/source/filter/eppt/pptx-epptooxml.cxx
+++ b/sd/source/filter/eppt/pptx-epptooxml.cxx
@@ -384,7 +384,7 @@ bool PowerPointExport::exportDocument()
     //write document properties
     writeDocumentProperties();
 
-    addRelation(oox::getRelationship(Relationship::OFFICEDOCUMENT), "ppt/presentation.xml");
+    addRelation(oox::getRelationship(Relationship::OFFICEDOCUMENT), u"ppt/presentation.xml");
 
     OUString aMediaType;
     if (mbPptm)
@@ -414,7 +414,7 @@ bool PowerPointExport::exportDocument()
 
     addRelation(mPresentationFS->getOutputStream(),
                 oox::getRelationship(Relationship::THEME),
-                "theme/theme1.xml");
+                u"theme/theme1.xml");
 
     mPresentationFS->startElementNS(XML_p, XML_presentation, PNMSS);
 
@@ -953,7 +953,7 @@ void PowerPointExport::WriteAuthors()
                       "application/vnd.openxmlformats-officedocument.presentationml.commentAuthors+xml");
     addRelation(mPresentationFS->getOutputStream(),
                 oox::getRelationship(Relationship::COMMENTAUTHORS),
-                "commentAuthors.xml");
+                u"commentAuthors.xml");
 
     pFS->startElementNS(XML_p, XML_cmAuthorLst,
                         FSNS(XML_xmlns, XML_p), getNamespaceURL(OOX_NS(ppt)));
@@ -1070,7 +1070,7 @@ void PowerPointExport::WriteVBA()
     comphelper::OStorageHelper::CopyInputToOutput(xMacrosStream, xOutputStream);
 
     // Write the relationship.
-    addRelation(mPresentationFS->getOutputStream(), oox::getRelationship(Relationship::VBAPROJECT), "vbaProject.bin");
+    addRelation(mPresentationFS->getOutputStream(), oox::getRelationship(Relationship::VBAPROJECT), u"vbaProject.bin");
 }
 
 void PowerPointExport::ImplWriteSlide(sal_uInt32 nPageNum, sal_uInt32 nMasterNum, sal_uInt16 /* nMode */,
@@ -1205,7 +1205,7 @@ void PowerPointExport::ImplWriteNotes(sal_uInt32 nPageNum)
     // add implicit relation to notes master
     addRelation(pFS->getOutputStream(),
                 oox::getRelationship(Relationship::NOTESMASTER),
-                "../notesMasters/notesMaster1.xml");
+                u"../notesMasters/notesMaster1.xml");
 
     SAL_INFO("sd.eppt", "-----------------");
 }
@@ -1879,7 +1879,7 @@ void PowerPointExport::WriteNotesMaster()
 
     OUString sRelId = addRelation(mPresentationFS->getOutputStream(),
                                   oox::getRelationship(Relationship::NOTESMASTER),
-                                  "notesMasters/notesMaster1.xml");
+                                  u"notesMasters/notesMaster1.xml");
 
     mPresentationFS->singleElementNS(XML_p, XML_notesMasterId,
                                      FSNS(XML_r, XML_id), sRelId);
diff --git a/sfx2/source/appl/macroloader.cxx b/sfx2/source/appl/macroloader.cxx
index 46090f712665..95ace6cf665e 100644
--- a/sfx2/source/appl/macroloader.cxx
+++ b/sfx2/source/appl/macroloader.cxx
@@ -215,7 +215,7 @@ ErrCode SfxMacroLoader::loadMacro( const OUString& rURL, css::uno::Any& rRetval,
     {
         // find BasicManager
         SfxObjectShell* pDoc = nullptr;
-        OUString aBasMgrName( INetURLObject::decode(aMacro.copy( 8, nThirdSlashPos-8 ), INetURLObject::DecodeMechanism::WithCharset) );
+        OUString aBasMgrName( INetURLObject::decode(aMacro.subView( 8, nThirdSlashPos-8 ), INetURLObject::DecodeMechanism::WithCharset) );
         if ( aBasMgrName.isEmpty() )
             pBasMgr = pAppMgr;
         else if ( aBasMgrName == "." )
@@ -252,7 +252,7 @@ ErrCode SfxMacroLoader::loadMacro( const OUString& rURL, css::uno::Any& rRetval,
             }
 
             // find BASIC method
-            OUString aQualifiedMethod( INetURLObject::decode(aMacro.copy( nThirdSlashPos+1 ), INetURLObject::DecodeMechanism::WithCharset) );
+            OUString aQualifiedMethod( INetURLObject::decode(aMacro.subView( nThirdSlashPos+1 ), INetURLObject::DecodeMechanism::WithCharset) );
             OUString aArgs;
             if ( -1 != nArgsPos )
             {
@@ -315,7 +315,7 @@ ErrCode SfxMacroLoader::loadMacro( const OUString& rURL, css::uno::Any& rRetval,
     {
         // direct API call on a specified object
         OUStringBuffer aCall;
-        aCall.append('[').append(INetURLObject::decode(aMacro.copy(6),
+        aCall.append('[').append(INetURLObject::decode(aMacro.subView(6),
             INetURLObject::DecodeMechanism::WithCharset));
         aCall.append(']');
         pAppMgr->GetLib(0)->Execute(aCall.makeStringAndClear());
diff --git a/sfx2/source/notify/eventsupplier.cxx b/sfx2/source/notify/eventsupplier.cxx
index 091ed963de90..26028a16e4b5 100644
--- a/sfx2/source/notify/eventsupplier.cxx
+++ b/sfx2/source/notify/eventsupplier.cxx
@@ -431,7 +431,7 @@ void SfxEvents_Impl::NormalizeMacro( const ::comphelper::NamedValueCollection& i
             sal_Int32 nArgsPos = aScript.indexOf( '(' );
             if ( ( nThirdSlashPos != -1 ) && ( nArgsPos == -1 || nThirdSlashPos < nArgsPos ) )
             {
-                OUString aBasMgrName( INetURLObject::decode( aScript.copy( 8, nThirdSlashPos-8 ), INetURLObject::DecodeMechanism::WithCharset ) );
+                OUString aBasMgrName( INetURLObject::decode( aScript.subView( 8, nThirdSlashPos-8 ), INetURLObject::DecodeMechanism::WithCharset ) );
                 if (pDoc && aBasMgrName == ".")
                     aLibrary = pDoc->GetTitle();
                 else
diff --git a/sw/inc/mdiexp.hxx b/sw/inc/mdiexp.hxx
index 3901fce1c12f..dea2b4361825 100644
--- a/sw/inc/mdiexp.hxx
+++ b/sw/inc/mdiexp.hxx
@@ -49,7 +49,7 @@ void RepaintPagePreview( SwViewShell const * pVwSh, const SwRect& rRect );
 // Read ChgMode for tables from configuration.
 TableChgMode GetTableChgDefaultMode();
 
-bool JumpToSwMark( SwViewShell const * pVwSh, const OUString& rMark );
+bool JumpToSwMark( SwViewShell const * pVwSh, std::u16string_view rMark );
 
 #endif
 
diff --git a/sw/inc/view.hxx b/sw/inc/view.hxx
index 4232d315478a..73dfc1c7a54f 100644
--- a/sw/inc/view.hxx
+++ b/sw/inc/view.hxx
@@ -591,7 +591,7 @@ public:
     void SetCursorAtTop( bool bFlag, bool bCenter = false )
         { m_bTopCursor = bFlag; m_bCenterCursor = bCenter; }
 
-    bool JumpToSwMark( const OUString& rMark );
+    bool JumpToSwMark( std::u16string_view rMark );
 
     tools::Long InsertDoc( sal_uInt16 nSlotId, const OUString& rFileName,
                     const OUString& rFilterName, sal_Int16 nVersion = 0 );
diff --git a/sw/qa/extras/ooxmlexport/ooxmllinks.cxx b/sw/qa/extras/ooxmlexport/ooxmllinks.cxx
index f29950b3c9cf..d5f0e8784516 100644
--- a/sw/qa/extras/ooxmlexport/ooxmllinks.cxx
+++ b/sw/qa/extras/ooxmlexport/ooxmllinks.cxx
@@ -242,7 +242,7 @@ DECLARE_LINKS_EXPORT_TEST(testNon_ascii_link_export, "non_ascii_link.docx", USE_
     xmlDocUniquePtr pXmlDoc = parseExport("word/_rels/document.xml.rels");
 
     assertXPath(pXmlDoc, "/rels:Relationships/rels:Relationship[@TargetMode='External']", "Target",
-                INetURLObject::decode(OUString("file:///C:/TEMP/%C3%A9kezet.docx"),
+                INetURLObject::decode(u"file:///C:/TEMP/%C3%A9kezet.docx",
                                       INetURLObject::DecodeMechanism::ToIUri,
                                       RTL_TEXTENCODING_UTF8));
 }
diff --git a/sw/qa/extras/uiwriter/uiwriter3.cxx b/sw/qa/extras/uiwriter/uiwriter3.cxx
index b2ece7527de4..ba2132e0d8ed 100644
--- a/sw/qa/extras/uiwriter/uiwriter3.cxx
+++ b/sw/qa/extras/uiwriter/uiwriter3.cxx
@@ -738,7 +738,7 @@ CPPUNIT_TEST_FIXTURE(SwUiWriterTest3, testToxmarkLinks)
         rWrtShell.Push();
         OUString const url(aSet.GetItem<SwFormatINetFormat>(RES_TXTATR_INETFMT)->GetValue());
         CPPUNIT_ASSERT_EQUAL(OUString("#1%19the%20tocmark%19C%7Ctoxmark"), url);
-        rView.JumpToSwMark(url.copy(1)); // SfxApplication::OpenDocExec_Impl eats the "#"
+        rView.JumpToSwMark(url.subView(1)); // SfxApplication::OpenDocExec_Impl eats the "#"
         CPPUNIT_ASSERT_EQUAL(OUString(OUStringChar(CH_TXTATR_INWORD) + "tocmark"),
                              rWrtShell.GetCursor()->GetNode().GetTextNode()->GetText());
         rWrtShell.Pop(SwCursorShell::PopMode::DeleteCurrent);
@@ -753,7 +753,7 @@ CPPUNIT_TEST_FIXTURE(SwUiWriterTest3, testToxmarkLinks)
         rWrtShell.Push();
         OUString const url(aSet.GetItem<SwFormatINetFormat>(RES_TXTATR_INETFMT)->GetValue());
         CPPUNIT_ASSERT_EQUAL(OUString("#__RefHeading___Toc105_706348105"), url);
-        rView.JumpToSwMark(url.copy(1));
+        rView.JumpToSwMark(url.subView(1));
         CPPUNIT_ASSERT_EQUAL(OUString("foo"),
                              rWrtShell.GetCursor()->GetNode().GetTextNode()->GetText());
         rWrtShell.Pop(SwCursorShell::PopMode::DeleteCurrent);
@@ -773,7 +773,7 @@ CPPUNIT_TEST_FIXTURE(SwUiWriterTest3, testToxmarkLinks)
         rWrtShell.Push();
         OUString const url(aSet.GetItem<SwFormatINetFormat>(RES_TXTATR_INETFMT)->GetValue());
         CPPUNIT_ASSERT_EQUAL(OUString("#1%19the%20udmark%19UUser-Defined%7Ctoxmark"), url);
-        rView.JumpToSwMark(url.copy(1));
+        rView.JumpToSwMark(url.subView(1));
         CPPUNIT_ASSERT_EQUAL(OUString(OUStringChar(CH_TXTATR_INWORD) + "udmark the first"),
                              rWrtShell.GetCursor()->GetNode().GetTextNode()->GetText());
         rWrtShell.Pop(SwCursorShell::PopMode::DeleteCurrent);
@@ -788,7 +788,7 @@ CPPUNIT_TEST_FIXTURE(SwUiWriterTest3, testToxmarkLinks)
         rWrtShell.Push();
         OUString const url(aSet.GetItem<SwFormatINetFormat>(RES_TXTATR_INETFMT)->GetValue());
         CPPUNIT_ASSERT_EQUAL(OUString("#2%19the%20udmark%19UUser-Defined%7Ctoxmark"), url);
-        rView.JumpToSwMark(url.copy(1));
+        rView.JumpToSwMark(url.subView(1));
         CPPUNIT_ASSERT_EQUAL(OUString(OUStringChar(CH_TXTATR_INWORD) + "udmark the 2nd"),
                              rWrtShell.GetCursor()->GetNode().GetTextNode()->GetText());
         rWrtShell.Pop(SwCursorShell::PopMode::DeleteCurrent);
@@ -803,7 +803,7 @@ CPPUNIT_TEST_FIXTURE(SwUiWriterTest3, testToxmarkLinks)
         rWrtShell.Push();
         OUString const url(aSet.GetItem<SwFormatINetFormat>(RES_TXTATR_INETFMT)->GetValue());
         CPPUNIT_ASSERT_EQUAL(OUString("#__RefHeading___Toc105_706348105"), url);
-        rView.JumpToSwMark(url.copy(1));
+        rView.JumpToSwMark(url.subView(1));
         CPPUNIT_ASSERT_EQUAL(OUString("foo"),
                              rWrtShell.GetCursor()->GetNode().GetTextNode()->GetText());
         rWrtShell.Pop(SwCursorShell::PopMode::DeleteCurrent);
@@ -823,7 +823,7 @@ CPPUNIT_TEST_FIXTURE(SwUiWriterTest3, testToxmarkLinks)
         rWrtShell.Push();
         OUString const url(aSet.GetItem<SwFormatINetFormat>(RES_TXTATR_INETFMT)->GetValue());
         CPPUNIT_ASSERT_EQUAL(OUString("#1%19the%20udmark%19UNewUD!%7C%7Ctoxmark"), url);
-        rView.JumpToSwMark(url.copy(1));
+        rView.JumpToSwMark(url.subView(1));
         CPPUNIT_ASSERT_EQUAL(OUString("the udmark"),
                              rWrtShell.GetCursor()->GetNode().GetTextNode()->GetText());
         rWrtShell.Pop(SwCursorShell::PopMode::DeleteCurrent);
diff --git a/sw/source/core/doc/DocumentLinksAdministrationManager.cxx b/sw/source/core/doc/DocumentLinksAdministrationManager.cxx
index 85a4d3a12856..6b4687aa8982 100644
--- a/sw/source/core/doc/DocumentLinksAdministrationManager.cxx
+++ b/sw/source/core/doc/DocumentLinksAdministrationManager.cxx
@@ -442,7 +442,7 @@ DocumentLinksAdministrationManager::~DocumentLinksAdministrationManager()
 {
 }
 
-bool DocumentLinksAdministrationManager::SelectServerObj( const OUString& rStr, SwPaM*& rpPam, std::unique_ptr<SwNodeRange>& rpRange ) const
+bool DocumentLinksAdministrationManager::SelectServerObj( std::u16string_view rStr, SwPaM*& rpPam, std::unique_ptr<SwNodeRange>& rpRange ) const
 {
     // Do we actually have the Item?
     rpPam = nullptr;
diff --git a/sw/source/core/inc/DocumentLinksAdministrationManager.hxx b/sw/source/core/inc/DocumentLinksAdministrationManager.hxx
index 7afae81ca880..e03d969d211b 100644
--- a/sw/source/core/inc/DocumentLinksAdministrationManager.hxx
+++ b/sw/source/core/inc/DocumentLinksAdministrationManager.hxx
@@ -23,6 +23,7 @@
 #include <IDocumentLinksAdministration.hxx>
 
 #include <memory>
+#include <string_view>
 
 namespace sfx2 { class LinkManager; }
 class SwDoc;
@@ -61,7 +62,7 @@ public:
     bool LinksUpdated() const override;
 
     //Non-Interface method
-    bool SelectServerObj( const OUString& rStr, SwPaM*& rpPam, std::unique_ptr<SwNodeRange>& rpRange ) const;
+    bool SelectServerObj( std::u16string_view rStr, SwPaM*& rpPam, std::unique_ptr<SwNodeRange>& rpRange ) const;
 
     virtual ~DocumentLinksAdministrationManager() override;
 
diff --git a/sw/source/filter/ww8/docxattributeoutput.cxx b/sw/source/filter/ww8/docxattributeoutput.cxx
index 48f1e1512f79..c7f672ae4f58 100644
--- a/sw/source/filter/ww8/docxattributeoutput.cxx
+++ b/sw/source/filter/ww8/docxattributeoutput.cxx
@@ -7131,7 +7131,7 @@ void DocxAttributeOutput::EmbedFontStyle( std::u16string_view name, int tag, Fon
         xOutStream->closeOutput();
         OString relId = OUStringToOString( GetExport().GetFilter().addRelation( m_pSerializer->getOutputStream(),
             oox::getRelationship(Relationship::FONT),
-            "fonts/font" + OUString::number( m_nextFontId ) + ".odttf" ), RTL_TEXTENCODING_UTF8 );
+            OUString("fonts/font" + OUString::number( m_nextFontId ) + ".odttf") ), RTL_TEXTENCODING_UTF8 );
         EmbeddedFontRef ref;
         ref.relId = relId;
         ref.fontKey = fontKeyStr;
diff --git a/sw/source/filter/ww8/docxexport.cxx b/sw/source/filter/ww8/docxexport.cxx
index c3e5adc49331..429ae90f7775 100644
--- a/sw/source/filter/ww8/docxexport.cxx
+++ b/sw/source/filter/ww8/docxexport.cxx
@@ -216,7 +216,7 @@ void DocxExport::ExportGrfBullet(const SwTextNode&)
     CollectGrfsOfBullets();
 }
 
-OString DocxExport::AddRelation( const OUString& rType, const OUString& rTarget )
+OString DocxExport::AddRelation( const OUString& rType, std::u16string_view rTarget )
 {
     OUString sId = m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
            rType, rTarget, true );
@@ -474,7 +474,7 @@ std::pair<OString, OString> DocxExport::WriteActiveXObject(const uno::Reference<
 
     const OUString sBinaryId = m_rFilter.addRelation( pActiveXFS->getOutputStream(),
                                                        oox::getRelationship(Relationship::ACTIVEXCONTROLBINARY),
-                                                       sBinaryFileName.copy(sBinaryFileName.lastIndexOf("/") + 1) );
+                                                       sBinaryFileName.subView(sBinaryFileName.lastIndexOf("/") + 1) );
 
     pActiveXFS->singleElementNS(XML_ax, XML_ocx,
                                 FSNS(XML_xmlns, XML_ax), m_rFilter.getNamespaceURL(OOX_NS(ax)),
@@ -485,7 +485,7 @@ std::pair<OString, OString> DocxExport::WriteActiveXObject(const uno::Reference<
 
     OString sXMLId = OUStringToOString(m_rFilter.addRelation(m_pDocumentFS->getOutputStream(),
                                                               oox::getRelationship(Relationship::CONTROL),
-                                                              sXMLFileName.copy(sBinaryFileName.indexOf("/") + 1)),
+                                                              sXMLFileName.subView(sBinaryFileName.indexOf("/") + 1)),
                                        RTL_TEXTENCODING_UTF8);
 
     return std::pair<OString, OString>(sXMLId, sName);
@@ -648,7 +648,7 @@ void DocxExport::InitStyles()
     // setup word/styles.xml and the relations + content type
     m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
             oox::getRelationship(Relationship::STYLES),
-            "styles.xml" );
+            u"styles.xml" );
 
     ::sax_fastparser::FSHelperPtr pStylesFS =
         m_rFilter.openFragmentStreamWithSerializer( "word/styles.xml",
@@ -671,7 +671,7 @@ void DocxExport::WriteFootnotesEndnotes()
         // setup word/styles.xml and the relations + content type
         m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
                 oox::getRelationship(Relationship::FOOTNOTES),
-                "footnotes.xml" );
+                u"footnotes.xml" );
 
         ::sax_fastparser::FSHelperPtr pFootnotesFS =
             m_rFilter.openFragmentStreamWithSerializer( "word/footnotes.xml",
@@ -699,7 +699,7 @@ void DocxExport::WriteFootnotesEndnotes()
     // setup word/styles.xml and the relations + content type
     m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
             oox::getRelationship(Relationship::ENDNOTES),
-            "endnotes.xml" );
+            u"endnotes.xml" );
 
     ::sax_fastparser::FSHelperPtr pEndnotesFS =
         m_rFilter.openFragmentStreamWithSerializer( "word/endnotes.xml",
@@ -728,7 +728,7 @@ void DocxExport::WritePostitFields()
 
     m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
             oox::getRelationship(Relationship::COMMENTS),
-            "comments.xml" );
+            u"comments.xml" );
 
     ::sax_fastparser::FSHelperPtr pPostitFS =
         m_rFilter.openFragmentStreamWithSerializer( "word/comments.xml",
@@ -745,7 +745,7 @@ void DocxExport::WritePostitFields()
 
     m_rFilter.addRelation(m_pDocumentFS->getOutputStream(),
                           oox::getRelationship(Relationship::COMMENTSEXTENDED),
-                          "commentsExtended.xml");
+                          u"commentsExtended.xml");
 
     pPostitFS = m_rFilter.openFragmentStreamWithSerializer(
         "word/commentsExtended.xml",
@@ -768,7 +768,7 @@ void DocxExport::WriteNumbering()
 
     m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
         oox::getRelationship(Relationship::NUMBERING),
-        "numbering.xml" );
+        u"numbering.xml" );
 
     ::sax_fastparser::FSHelperPtr pNumberingFS = m_rFilter.openFragmentStreamWithSerializer( "word/numbering.xml",
         "application/vnd.openxmlformats-officedocument.wordprocessingml.numbering+xml" );
@@ -875,7 +875,7 @@ void DocxExport::WriteFonts()
 {
     m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
             oox::getRelationship(Relationship::FONTTABLE),
-            "fontTable.xml" );
+            u"fontTable.xml" );
 
     ::sax_fastparser::FSHelperPtr pFS = m_rFilter.openFragmentStreamWithSerializer(
             "word/fontTable.xml",
@@ -993,7 +993,7 @@ void DocxExport::WriteSettings()
 
     m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
             oox::getRelationship(Relationship::SETTINGS),
-            "settings.xml" );
+            u"settings.xml" );
 
     ::sax_fastparser::FSHelperPtr pFS = m_rFilter.openFragmentStreamWithSerializer(
             "word/settings.xml",
@@ -1381,7 +1381,7 @@ void DocxExport::WriteTheme()
 
     m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
             oox::getRelationship(Relationship::THEME),
-            "theme/theme1.xml" );
+            u"theme/theme1.xml" );
 
     uno::Reference< xml::sax::XSAXSerializable > serializer( themeDom, uno::UNO_QUERY );
     uno::Reference< xml::sax::XWriter > writer = xml::sax::Writer::create( comphelper::getProcessComponentContext() );
@@ -1428,7 +1428,7 @@ void DocxExport::WriteGlossary()
 
     m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
             oox::getRelationship(Relationship::GLOSSARYDOCUMENT),
-            "glossary/document.xml" );
+            u"glossary/document.xml" );
 
     uno::Reference< io::XOutputStream > xOutputStream = GetFilter().openFragmentStream( "word/glossary/document.xml",
             "application/vnd.openxmlformats-officedocument.wordprocessingml.document.glossary+xml" );
@@ -1491,7 +1491,7 @@ void DocxExport::WriteCustomXml()
         {
             m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
                     oox::getRelationship(Relationship::CUSTOMXML),
-                    "../customXml/item"+OUString::number((j+1))+".xml" );
+                    OUString("../customXml/item"+OUString::number((j+1))+".xml" ));
 
             uno::Reference< xml::sax::XSAXSerializable > serializer( customXmlDom, uno::UNO_QUERY );
             uno::Reference< xml::sax::XWriter > writer = xml::sax::Writer::create( comphelper::getProcessComponentContext() );
@@ -1514,7 +1514,7 @@ void DocxExport::WriteCustomXml()
             m_rFilter.addRelation( GetFilter().openFragmentStream( "customXml/item"+OUString::number((j+1))+".xml",
                     "application/xml" ) ,
                     oox::getRelationship(Relationship::CUSTOMXMLPROPS),
-                    "itemProps"+OUString::number((j+1))+".xml" );
+                    OUString("itemProps"+OUString::number((j+1))+".xml" ));
         }
     }
 }
@@ -1548,7 +1548,7 @@ void DocxExport::WriteVBA()
         pOut->WriteStream(*pIn);
 
         // Write the relationship.
-        m_rFilter.addRelation(m_pDocumentFS->getOutputStream(), oox::getRelationship(Relationship::VBAPROJECT), "vbaProject.bin");
+        m_rFilter.addRelation(m_pDocumentFS->getOutputStream(), oox::getRelationship(Relationship::VBAPROJECT), u"vbaProject.bin");
     }
 
     OUString aDataName("_MS_VBA_Macros_XML");
@@ -1575,7 +1575,7 @@ void DocxExport::WriteVBA()
     if (!xProjectStream.is())
         return;
 
-    m_rFilter.addRelation(xProjectStream, oox::getRelationship(Relationship::WORDVBADATA), "vbaData.xml");
+    m_rFilter.addRelation(xProjectStream, oox::getRelationship(Relationship::WORDVBADATA), u"vbaData.xml");
 }
 
 void DocxExport::WriteEmbeddings()
@@ -1804,7 +1804,7 @@ DocxExport::DocxExport(DocxExportFilter& rFilter, SwDoc& rDocument,
 
     // relations for the document
     m_rFilter.addRelation( oox::getRelationship(Relationship::OFFICEDOCUMENT),
-            "word/document.xml" );
+            u"word/document.xml" );
 
     // Set media type depending of document type
     OUString aMediaType;
diff --git a/sw/source/filter/ww8/docxexport.hxx b/sw/source/filter/ww8/docxexport.hxx
index 08c5372460fd..381de49a7ef4 100644
--- a/sw/source/filter/ww8/docxexport.hxx
+++ b/sw/source/filter/ww8/docxexport.hxx
@@ -150,7 +150,7 @@ public:
     virtual void ExportGrfBullet(const SwTextNode&) override;
 
     /// Returns the relationd id
-    OString AddRelation( const OUString& rType, const OUString& rTarget );
+    OString AddRelation( const OUString& rType, std::u16string_view rTarget );
 
     virtual void WriteCR( ww8::WW8TableNodeInfoInner::Pointer_t /*pTableTextNodeInfoInner = ww8::WW8TableNodeInfoInner::Pointer_t()*/ ) override { /* FIXME no-op for docx, most probably should not even be in MSWordExportBase */ }
     virtual void WriteChar( sal_Unicode ) override { SAL_WARN("sw.ww8", "FIXME: WriteChar() has nothing to do for docx."); }
diff --git a/sw/source/filter/ww8/wrtw8nds.cxx b/sw/source/filter/ww8/wrtw8nds.cxx
index c2e72732878a..da5253f723b7 100644
--- a/sw/source/filter/ww8/wrtw8nds.cxx
+++ b/sw/source/filter/ww8/wrtw8nds.cxx
@@ -975,7 +975,7 @@ bool AttributeOutputBase::AnalyzeURL( const OUString& rUrl, const OUString& /*rT
 
     if ( rUrl.getLength() > 1 && rUrl[0] == '#' )
     {
-        sMark = BookmarkToWriter( rUrl.copy(1) );
+        sMark = BookmarkToWriter( rUrl.subView(1) );
 
         const sal_Int32 nPos = sMark.lastIndexOf( cMarkSeparator );
 
@@ -1221,7 +1221,7 @@ OUString BookmarkToWord(const OUString &rBookmark)
     return TruncateBookmark(sRet);
 }
 
-OUString BookmarkToWriter(const OUString &rBookmark)
+OUString BookmarkToWriter(std::u16string_view rBookmark)
 {
     return INetURLObject::decode(rBookmark,
         INetURLObject::DecodeMechanism::Unambiguous, RTL_TEXTENCODING_ASCII_US);
diff --git a/sw/source/filter/ww8/wrtww8.cxx b/sw/source/filter/ww8/wrtww8.cxx
index d5d708b97398..d8e4241422c8 100644
--- a/sw/source/filter/ww8/wrtww8.cxx
+++ b/sw/source/filter/ww8/wrtww8.cxx
@@ -3121,12 +3121,12 @@ void WW8Export::StoreDoc1()
     WriteFkpPlcUsw();                   // FKP, PLC, ...
 }
 
-void MSWordExportBase::AddLinkTarget(const OUString& rURL)
+void MSWordExportBase::AddLinkTarget(std::u16string_view rURL)
 {
-    if( rURL.isEmpty() || rURL[0] != '#' )
+    if( rURL.empty() || rURL[0] != '#' )
         return;
 
-    OUString aURL( BookmarkToWriter( rURL.copy( 1 ) ) );
+    OUString aURL( BookmarkToWriter( rURL.substr( 1 ) ) );
     sal_Int32 nPos = aURL.lastIndexOf( cMarkSeparator );
 
     if( nPos < 2 )
@@ -3143,7 +3143,7 @@ void MSWordExportBase::AddLinkTarget(const OUString& rURL)
     if( sCmp == "outline" )
     {
         SwPosition aPos(*m_pCurPam->GetPoint());
-        OUString aName(BookmarkToWriter(aURL.copy(0, nPos)));
+        OUString aName(BookmarkToWriter(aURL.subView(0, nPos)));
         // If we can find the outline this bookmark refers to
         // save the name of the bookmark and the
         // node index number of where it points to
@@ -3156,7 +3156,7 @@ void MSWordExportBase::AddLinkTarget(const OUString& rURL)
     else if( sCmp == "graphic" )
     {
         SwNodeIndex* pIdx;
-        OUString aName(BookmarkToWriter(aURL.copy(0, nPos)));
+        OUString aName(BookmarkToWriter(aURL.subView(0, nPos)));
         const SwFlyFrameFormat* pFormat = m_rDoc.FindFlyByName(aName, SwNodeType::Grf);
         if (pFormat && nullptr != (pIdx = const_cast<SwNodeIndex*>(pFormat->GetContent().GetContentIdx())))
         {
@@ -3167,7 +3167,7 @@ void MSWordExportBase::AddLinkTarget(const OUString& rURL)
     else if( sCmp == "frame" )
     {
         SwNodeIndex* pIdx;
-        OUString aName(BookmarkToWriter(aURL.copy(0, nPos)));
+        OUString aName(BookmarkToWriter(aURL.subView(0, nPos)));
         const SwFlyFrameFormat* pFormat = m_rDoc.FindFlyByName(aName, SwNodeType::Text);
         if (pFormat && nullptr != (pIdx = const_cast<SwNodeIndex*>(pFormat->GetContent().GetContentIdx())))
         {
@@ -3178,7 +3178,7 @@ void MSWordExportBase::AddLinkTarget(const OUString& rURL)
     else if( sCmp == "ole" )
     {
         SwNodeIndex* pIdx;
-        OUString aName(BookmarkToWriter(aURL.copy(0, nPos)));
+        OUString aName(BookmarkToWriter(aURL.subView(0, nPos)));
         const SwFlyFrameFormat* pFormat = m_rDoc.FindFlyByName(aName, SwNodeType::Ole);
         if (pFormat && nullptr != (pIdx = const_cast<SwNodeIndex*>(pFormat->GetContent().GetContentIdx())))
         {
@@ -3189,7 +3189,7 @@ void MSWordExportBase::AddLinkTarget(const OUString& rURL)
     else if( sCmp == "region" )
     {
         SwNodeIndex* pIdx;
-        OUString aName(BookmarkToWriter(aURL.copy(0, nPos)));
+        OUString aName(BookmarkToWriter(aURL.subView(0, nPos)));
         for (const SwSectionFormat* pFormat : m_rDoc.GetSections())
         {
             if (aName == pFormat->GetSection()->GetSectionName()
@@ -3203,7 +3203,7 @@ void MSWordExportBase::AddLinkTarget(const OUString& rURL)
     }
     else if( sCmp == "table" )
     {
-        OUString aName(BookmarkToWriter(aURL.copy(0, nPos)));
+        OUString aName(BookmarkToWriter(aURL.subView(0, nPos)));
         const SwTable* pTable = SwTable::FindTable(m_rDoc.FindTableFormatByName(aName));
         if (pTable)
         {
diff --git a/sw/source/filter/ww8/wrtww8.hxx b/sw/source/filter/ww8/wrtww8.hxx
index 15e0d902731b..d5835a289492 100644
--- a/sw/source/filter/ww8/wrtww8.hxx
+++ b/sw/source/filter/ww8/wrtww8.hxx
@@ -834,7 +834,7 @@ protected:
     /// Setup the chapter fields (maChapterFieldLocs).
     void GatherChapterFields();
 
-    void AddLinkTarget( const OUString& rURL );
+    void AddLinkTarget( std::u16string_view rURL );
     void CollectOutlineBookmarks( const SwDoc &rDoc );
 
     bool SetCurrentPageDescFromNode(const SwNode &rNd);
diff --git a/sw/source/filter/ww8/ww8par.hxx b/sw/source/filter/ww8/ww8par.hxx
index 97bff178f66e..d43182d2e93a 100644
--- a/sw/source/filter/ww8/ww8par.hxx
+++ b/sw/source/filter/ww8/ww8par.hxx
@@ -1837,7 +1837,7 @@ public:     // really private, but can only be done public
     void Read_UnderlineColor(sal_uInt16, const sal_uInt8* pData, short nLen);
     tools::Long MapBookmarkVariables(const WW8FieldDesc* pF, OUString &rOrigName,
         const OUString &rData);
-    OUString GetMappedBookmark(const OUString &rOrigName);
+    OUString GetMappedBookmark(std::u16string_view rOrigName);
 
     // fields
     eF_ResT Read_F_Input(WW8FieldDesc*, OUString& rStr);
@@ -1932,7 +1932,7 @@ void SyncIndentWithList( SvxLRSpaceItem &rLR,
                          const bool bFirstLineOfStSet,
                          const bool bLeftIndentSet );
 tools::Long GetListFirstLineIndent(const SwNumFormat &rFormat);
-OUString BookmarkToWriter(const OUString &rBookmark);
+OUString BookmarkToWriter(std::u16string_view rBookmark);
 bool RTLGraphicsHack(SwTwips &rLeft, SwTwips nWidth,
     sal_Int16 eHoriOri, sal_Int16 eHoriRel, SwTwips nPageLeft,
     SwTwips nPageRight, SwTwips nPageSize);
diff --git a/sw/source/filter/ww8/ww8par5.cxx b/sw/source/filter/ww8/ww8par5.cxx
index ad20690464ef..1bd48126ed35 100644
--- a/sw/source/filter/ww8/ww8par5.cxx
+++ b/sw/source/filter/ww8/ww8par5.cxx
@@ -1341,7 +1341,7 @@ SwFltStackEntry *SwWW8FltRefStack::RefToVar(const SwField* pField,
     return pRet;
 }
 
-OUString SwWW8ImplReader::GetMappedBookmark(const OUString &rOrigName)
+OUString SwWW8ImplReader::GetMappedBookmark(std::u16string_view rOrigName)
 {
     OUString sName(BookmarkToWriter(rOrigName));
     OSL_ENSURE(m_xPlcxMan, "no pPlcxMan");
diff --git a/sw/source/ui/dialog/uiregionsw.cxx b/sw/source/ui/dialog/uiregionsw.cxx
index e905bc2a79cc..18c3d6f2476a 100644
--- a/sw/source/ui/dialog/uiregionsw.cxx
+++ b/sw/source/ui/dialog/uiregionsw.cxx
@@ -172,7 +172,7 @@ public:
     size_t              GetArrPos() const { return m_nArrPos; }
     OUString            GetFile() const;
     OUString            GetSubRegion() const;
-    void                SetFile(OUString const& rFile);
+    void                SetFile(std::u16string_view rFile);
     void                SetFilter(std::u16string_view rFilter);
     void                SetSubRegion(std::u16string_view rSubRegion);
 
@@ -209,17 +209,17 @@ SectRepr::SectRepr( size_t nPos, SwSection& rSect )
     }
 }
 
-void SectRepr::SetFile( const OUString& rFile )
+void SectRepr::SetFile( std::u16string_view rFile )
 {
     OUString sNewFile( INetURLObject::decode( rFile,
                                            INetURLObject::DecodeMechanism::Unambiguous ));
     const OUString sOldFileName( m_SectionData.GetLinkFileName() );
     const OUString sSub( sOldFileName.getToken( 2, sfx2::cTokenSeparator ) );
 
-    if( !rFile.isEmpty() || !sSub.isEmpty() )
+    if( !rFile.empty() || !sSub.isEmpty() )
     {
         sNewFile += OUStringChar(sfx2::cTokenSeparator);
-        if( !rFile.isEmpty() ) // Filter only with FileName
+        if( !rFile.empty() ) // Filter only with FileName
             sNewFile += sOldFileName.getToken( 1, sfx2::cTokenSeparator );
 
         sNewFile += OUStringChar(sfx2::cTokenSeparator) + sSub;
@@ -227,7 +227,7 @@ void SectRepr::SetFile( const OUString& rFile )
 
     m_SectionData.SetLinkFileName( sNewFile );
 
-    if( !rFile.isEmpty() || !sSub.isEmpty() )
+    if( !rFile.empty() || !sSub.isEmpty() )
     {
         m_SectionData.SetType( SectionType::FileLink );
     }
@@ -943,7 +943,7 @@ IMPL_LINK(SwEditRegionDlg, UseFileHdl, weld::ToggleButton&, rButton, void)
                 pSectRepr->SetContent(false);
             else
             {
-                pSectRepr->SetFile(OUString());
+                pSectRepr->SetFile(u"");
                 pSectRepr->SetSubRegion(std::u16string_view());
                 pSectRepr->GetSectionData().SetLinkFilePassword(OUString());
             }
@@ -1151,7 +1151,7 @@ IMPL_LINK(SwEditRegionDlg, DDEHdl, weld::ToggleButton&, rButton, void)
         m_xSubRegionED->hide();
         if (SectionType::FileLink == rData.GetType())
         {
-            pSectRepr->SetFile(OUString());
+            pSectRepr->SetFile(u"");
             m_xFileNameED->set_text(OUString());
             rData.SetLinkFilePassword(OUString());
         }
@@ -1170,7 +1170,7 @@ IMPL_LINK(SwEditRegionDlg, DDEHdl, weld::ToggleButton&, rButton, void)
         if (SectionType::DdeLink == rData.GetType())
         {
             rData.SetType(SectionType::FileLink);
-            pSectRepr->SetFile(OUString());
+            pSectRepr->SetFile(u"");
             rData.SetLinkFilePassword(OUString());
             m_xFileNameED->set_text(OUString());
         }
diff --git a/sw/source/uibase/docvw/edtwin3.cxx b/sw/source/uibase/docvw/edtwin3.cxx
index d90df78919d5..d417b08b0510 100644
--- a/sw/source/uibase/docvw/edtwin3.cxx
+++ b/sw/source/uibase/docvw/edtwin3.cxx
@@ -114,7 +114,7 @@ void RepaintPagePreview( SwViewShell const * pVwSh, const SwRect& rRect )
         pSwPagePreview->RepaintCoreRect(rRect);
 }
 
-bool JumpToSwMark( SwViewShell const * pVwSh, const OUString& rMark )
+bool JumpToSwMark( SwViewShell const * pVwSh, std::u16string_view rMark )
 {
     SfxViewShell *pSfxViewShell = pVwSh->GetSfxViewShell();
 
diff --git a/sw/source/uibase/uiview/view2.cxx b/sw/source/uibase/uiview/view2.cxx
index db33b8c77c1d..39752c694d31 100644
--- a/sw/source/uibase/uiview/view2.cxx
+++ b/sw/source/uibase/uiview/view2.cxx
@@ -2155,10 +2155,10 @@ static auto JumpToTOXMark(SwWrtShell & rSh, OUString const& rName) -> bool
     }
 }
 
-bool SwView::JumpToSwMark( const OUString& rMark )
+bool SwView::JumpToSwMark( std::u16string_view rMark )
 {
     bool bRet = false;
-    if( !rMark.isEmpty() )
+    if( !rMark.empty() )
     {
         // place bookmark at top-center
         bool bSaveCC = m_bCenterCursor;