loplugin:constparams in xmloff

Change-Id: Iec9535b106c85e47ddb14eec4ef3db5b1c8d8fd7
Reviewed-on: https://gerrit.libreoffice.org/40219
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

52 files changed, 112 insertions, 115 deletions

diff --git a/include/xmloff/XMLEventExport.hxx b/include/xmloff/XMLEventExport.hxx
index 6a3d48ad1e12..5ca4a2b23448 100644
--- a/include/xmloff/XMLEventExport.hxx
+++ b/include/xmloff/XMLEventExport.hxx
@@ -83,20 +83,20 @@ public:
     void AddTranslationTable( const XMLEventNameTranslation* pTransTable );
 
     /// export the events (calls EventExport::Export(Reference<XNameAccess>) )
-    void Export( css::uno::Reference<css::document::XEventsSupplier> & xAccess,
+    void Export( css::uno::Reference<css::document::XEventsSupplier> const & xAccess,
                 bool bUseWhitespace = true);
 
     /// export the events (calls EventExport::Export(Reference<XNameAccess>) )
-    void Export( css::uno::Reference<css::container::XNameReplace> & xAccess,
+    void Export( css::uno::Reference<css::container::XNameReplace> const & xAccess,
                 bool bUseWhitespace = true);
 
     /// export the events (writes <office:events> element)
-    void Export( css::uno::Reference<css::container::XNameAccess> & xAccess,
+    void Export( css::uno::Reference<css::container::XNameAccess> const & xAccess,
                 bool bUseWhitespace = true);
 
     /// export the events, but write <officeooo:events> element
     /// (for new file format additions)
-    void ExportExt( css::uno::Reference<css::container::XNameAccess> & xAccess);
+    void ExportExt( css::uno::Reference<css::container::XNameAccess> const & xAccess);
 
     /// export a single event (writes <office:events> element)
     void ExportSingleEvent(
diff --git a/include/xmloff/numehelp.hxx b/include/xmloff/numehelp.hxx
index ccdd2f05dadd..53d62912fbb9 100644
--- a/include/xmloff/numehelp.hxx
+++ b/include/xmloff/numehelp.hxx
@@ -83,9 +83,9 @@ public:
                                 const OUString& rCurrencySymbol,
                                 bool bExportValue);
     static bool GetCurrencySymbol(const sal_Int32 nNumberFormat, OUString& rCurrencySymbol,
-        css::uno::Reference< css::util::XNumberFormatsSupplier > & xNumberFormatsSupplier);
+        css::uno::Reference< css::util::XNumberFormatsSupplier > const & xNumberFormatsSupplier);
     static sal_Int16 GetCellType(const sal_Int32 nNumberFormat, bool& bIsStandard,
-        css::uno::Reference< css::util::XNumberFormatsSupplier > & xNumberFormatsSupplier);
+        css::uno::Reference< css::util::XNumberFormatsSupplier > const & xNumberFormatsSupplier);
     static void SetNumberFormatAttributes(SvXMLExport& rXMLExport,
                                           const sal_Int32 nNumberFormat,
                                           const double& rValue,
diff --git a/include/xmloff/shapeexport.hxx b/include/xmloff/shapeexport.hxx
index ae86e12cc231..c883886126a5 100644
--- a/include/xmloff/shapeexport.hxx
+++ b/include/xmloff/shapeexport.hxx
@@ -211,7 +211,7 @@ private:
     SAL_DLLPRIVATE void ImpExportNewTrans(const css::uno::Reference< css::beans::XPropertySet >& xPropSet, XMLShapeExportFlags nFeatures, css::awt::Point* pRefPoint);
     SAL_DLLPRIVATE void ImpExportNewTrans_GetB2DHomMatrix(::basegfx::B2DHomMatrix& rMatrix, const css::uno::Reference< css::beans::XPropertySet >& xPropSet);
     SAL_DLLPRIVATE static void ImpExportNewTrans_DecomposeAndRefPoint(const ::basegfx::B2DHomMatrix& rMat, ::basegfx::B2DTuple& rTRScale, double& fTRShear, double& fTRRotate, ::basegfx::B2DTuple& rTRTranslate, css::awt::Point* pRefPoint);
-    SAL_DLLPRIVATE void ImpExportNewTrans_FeaturesAndWrite(::basegfx::B2DTuple& rTRScale, double fTRShear, double fTRRotate, ::basegfx::B2DTuple& rTRTranslate, const XMLShapeExportFlags nFeatures);
+    SAL_DLLPRIVATE void ImpExportNewTrans_FeaturesAndWrite(::basegfx::B2DTuple const & rTRScale, double fTRShear, double fTRRotate, ::basegfx::B2DTuple const & rTRTranslate, const XMLShapeExportFlags nFeatures);
     SAL_DLLPRIVATE bool ImpExportPresentationAttributes( const css::uno::Reference< css::beans::XPropertySet >& xPropSet, const OUString& rClass );
     SAL_DLLPRIVATE void ImpExportText( const css::uno::Reference< css::drawing::XShape >& xShape, TextPNS eExtensionNS = TextPNS::ODF );
     SAL_DLLPRIVATE void ImpExportEvents( const css::uno::Reference< css::drawing::XShape >& xShape );
@@ -230,7 +230,7 @@ private:
     SAL_DLLPRIVATE void ImpExportChartShape(const css::uno::Reference< css::drawing::XShape >& xShape, XmlShapeType eShapeType, XMLShapeExportFlags nFeatures = SEF_DEFAULT, css::awt::Point* pRefPoint = nullptr, SvXMLAttributeList* pAttrList = nullptr );
     SAL_DLLPRIVATE void ImpExportControlShape(const css::uno::Reference< css::drawing::XShape >& xShape, XMLShapeExportFlags nFeatures = SEF_DEFAULT,  css::awt::Point* pRefPoint = nullptr );
     SAL_DLLPRIVATE void ImpExportConnectorShape(const css::uno::Reference< css::drawing::XShape >& xShape, XMLShapeExportFlags nFeatures = SEF_DEFAULT, css::awt::Point* pRefPoint = nullptr );
-    SAL_DLLPRIVATE void ImpExportMeasureShape(const css::uno::Reference< css::drawing::XShape >& xShape, XMLShapeExportFlags nFeatures = SEF_DEFAULT,  css::awt::Point* pRefPoint = nullptr );
+    SAL_DLLPRIVATE void ImpExportMeasureShape(const css::uno::Reference< css::drawing::XShape >& xShape, XMLShapeExportFlags nFeatures = SEF_DEFAULT,  css::awt::Point const * pRefPoint = nullptr );
     SAL_DLLPRIVATE void ImpExportOLE2Shape(const css::uno::Reference< css::drawing::XShape >& xShape, XmlShapeType eShapeType, XMLShapeExportFlags nFeatures = SEF_DEFAULT, css::awt::Point* pRefPoint = nullptr, SvXMLAttributeList* pAttrList = nullptr );
     SAL_DLLPRIVATE void ImpExportPageShape(const css::uno::Reference< css::drawing::XShape >& xShape, XmlShapeType eShapeType, XMLShapeExportFlags nFeatures = SEF_DEFAULT, css::awt::Point* pRefPoint = nullptr );
     SAL_DLLPRIVATE void ImpExportCaptionShape(const css::uno::Reference< css::drawing::XShape >& xShape, XMLShapeExportFlags nFeatures = SEF_DEFAULT, css::awt::Point* pRefPoint = nullptr );
diff --git a/include/xmloff/shapeimport.hxx b/include/xmloff/shapeimport.hxx
index efc00a289355..90a290215048 100644
--- a/include/xmloff/shapeimport.hxx
+++ b/include/xmloff/shapeimport.hxx
@@ -317,20 +317,20 @@ public:
     void pushGroupForSorting( css::uno::Reference< css::drawing::XShapes >& rShapes );
     void popGroupAndSort();
 
-    void shapeWithZIndexAdded( css::uno::Reference< css::drawing::XShape >& rShape,
+    void shapeWithZIndexAdded( css::uno::Reference< css::drawing::XShape > const & rShape,
                                sal_Int32 nZIndex );
     /// Updates the z-order of other shapes to be consistent again, needed due
     /// to the removal of rShape.
     void shapeRemoved(const css::uno::Reference<css::drawing::XShape>& rShape);
 
-    void addShapeConnection( css::uno::Reference< css::drawing::XShape >& rConnectorShape,
+    void addShapeConnection( css::uno::Reference< css::drawing::XShape > const & rConnectorShape,
                              bool bStart,
                              const OUString& rDestShapeId,
                              sal_Int32 nDestGlueId );
 
     /** adds a mapping for a glue point identifier from an xml file to the identifier created after inserting
         the new glue point into the core. The saved mappings can be retrieved by getGluePointId() */
-    void addGluePointMapping( css::uno::Reference< css::drawing::XShape >& xShape,
+    void addGluePointMapping( css::uno::Reference< css::drawing::XShape > const & xShape,
                               sal_Int32 nSourceId, sal_Int32 nDestinnationId );
 
     /** moves all current DestinationId's for rXShape by n */
@@ -342,11 +342,11 @@ public:
 
     /** this method must be calling before the first shape is imported for the given page.
         Calls to this method can be nested */
-    void startPage( css::uno::Reference< css::drawing::XShapes >& rShapes );
+    void startPage( css::uno::Reference< css::drawing::XShapes > const & rShapes );
 
     /** this method must be calling after the last shape is imported for the given page
         Calls to this method can be nested */
-    void endPage( css::uno::Reference< css::drawing::XShapes >& rShapes );
+    void endPage( css::uno::Reference< css::drawing::XShapes > const & rShapes );
 
     void restoreConnections();
 
diff --git a/include/xmloff/txtimp.hxx b/include/xmloff/txtimp.hxx
index 109469cf74ba..921ef4afe120 100644
--- a/include/xmloff/txtimp.hxx
+++ b/include/xmloff/txtimp.hxx
@@ -448,12 +448,12 @@ public:
     void DeleteParagraph();
 
     void InsertControlCharacter( sal_Int16 nControl );
-    void InsertTextContent( css::uno::Reference< css::text::XTextContent > & xContent);
+    void InsertTextContent( css::uno::Reference< css::text::XTextContent > const & xContent);
 
     // Add parameter <bOutlineLevelAttrFound> (#i73509#)
     // Add parameter <bSetListAttrs> in order to suppress the handling of the list attributes (#i80724#)
     OUString SetStyleAndAttrs(
-            SvXMLImport& rImport,
+            SvXMLImport const & rImport,
             const css::uno::Reference< css::text::XTextCursor >& rCursor,
             const OUString& rStyleName,
             bool bPara,
@@ -476,7 +476,7 @@ public:
     void SetOutlineStyles( bool bSetEmpty );
 
     void SetHyperlink(
-            SvXMLImport& rImport,
+            SvXMLImport const & rImport,
             const css::uno::Reference< css::text::XTextCursor >& rCursor,
             const OUString& rHRef,
             const OUString& rName,
@@ -485,7 +485,7 @@ public:
             const OUString& rVisitedStyleName,
             XMLEventsImportContext* pEvents);
     void SetRuby(
-            SvXMLImport& rImport,
+            SvXMLImport const & rImport,
             const css::uno::Reference< css::text::XTextCursor >& rCursor,
             const OUString& rStyleName,
             const OUString& rTextStyleName,
@@ -570,7 +570,7 @@ public:
     void pushFieldCtx( const OUString& name, const OUString& type );
     void popFieldCtx();
     void addFieldParam( const OUString& name, const OUString& value );
-    void setCurrentFieldParamsTo(css::uno::Reference< css::text::XFormField> &xFormField);
+    void setCurrentFieldParamsTo(css::uno::Reference< css::text::XFormField> const &xFormField);
     OUString getCurrentFieldType();
     bool hasCurrentFieldCtx();
 
diff --git a/include/xmloff/txtimppr.hxx b/include/xmloff/txtimppr.hxx
index 910b074def4d..bd1338fd1884 100644
--- a/include/xmloff/txtimppr.hxx
+++ b/include/xmloff/txtimppr.hxx
@@ -37,11 +37,11 @@ class XMLOFF_DLLPUBLIC XMLTextImportPropertyMapper : public SvXMLImportPropertyM
                 XMLPropertyState *pFontCharsetState );
 
     void FontDefaultsCheck(
-                XMLPropertyState*pFontFamilyName,
-                XMLPropertyState* pFontStyleName,
-                XMLPropertyState* pFontFamily,
-                XMLPropertyState* pFontPitch,
-                XMLPropertyState* pFontCharSet,
+                XMLPropertyState const * pFontFamilyName,
+                XMLPropertyState const * pFontStyleName,
+                XMLPropertyState const * pFontFamily,
+                XMLPropertyState const * pFontPitch,
+                XMLPropertyState const * pFontCharSet,
                 XMLPropertyState** ppNewFontStyleName,
                 XMLPropertyState** ppNewFontFamily,
                 XMLPropertyState** ppNewFontPitch,
diff --git a/include/xmloff/txtparae.hxx b/include/xmloff/txtparae.hxx
index 3702d2103d07..1c534f82b5cc 100644
--- a/include/xmloff/txtparae.hxx
+++ b/include/xmloff/txtparae.hxx
@@ -114,7 +114,7 @@ public:
 
     void exportTextRangeSpan(
             const css::uno::Reference< css::text::XTextRange > & rTextRange,
-            css::uno::Reference< css::beans::XPropertySet > & xPropSet,
+            css::uno::Reference< css::beans::XPropertySet > const & xPropSet,
             css::uno::Reference < css::beans::XPropertySetInfo > & xPropSetInfo,
             const bool bIsUICharStyle,
             const bool bHasAutoStyle,
diff --git a/include/xmloff/xmlaustp.hxx b/include/xmloff/xmlaustp.hxx
index a9cf607d0268..7b270ce09724 100644
--- a/include/xmloff/xmlaustp.hxx
+++ b/include/xmloff/xmlaustp.hxx
@@ -97,8 +97,8 @@ public:
 
     /// register (families + names)
     void RegisterNames(
-        css::uno::Sequence<sal_Int32>& aFamilies,
-        css::uno::Sequence<OUString>& aNames );
+        css::uno::Sequence<sal_Int32> const & aFamilies,
+        css::uno::Sequence<OUString> const & aNames );
 
     /// Add an item set to the pool and return its generated name.
     OUString Add( sal_Int32 nFamily, const ::std::vector< XMLPropertyState >& rProperties );
diff --git a/include/xmloff/xmlexp.hxx b/include/xmloff/xmlexp.hxx
index edfd17e4f9e3..e4a390a5ef6a 100644
--- a/include/xmloff/xmlexp.hxx
+++ b/include/xmloff/xmlexp.hxx
@@ -253,10 +253,10 @@ protected:
     virtual sal_Int32 GetDocumentSpecificSettings( ::std::list< SettingsGroup >& _out_rSettings );
 
     const css::uno::Reference< css::document::XEmbeddedObjectResolver >& GetEmbeddedResolver() const { return mxEmbeddedResolver; }
-    inline void SetEmbeddedResolver( css::uno::Reference< css::document::XEmbeddedObjectResolver >& _xEmbeddedResolver );
+    inline void SetEmbeddedResolver( css::uno::Reference< css::document::XEmbeddedObjectResolver > const & _xEmbeddedResolver );
 
     const css::uno::Reference< css::document::XGraphicObjectResolver >& GetGraphicResolver() const { return mxGraphicResolver; }
-    void SetGraphicResolver( css::uno::Reference< css::document::XGraphicObjectResolver >& _xGraphicResolver );
+    void SetGraphicResolver( css::uno::Reference< css::document::XGraphicObjectResolver > const & _xGraphicResolver );
 
     void SetDocHandler( const css::uno::Reference< css::xml::sax::XDocumentHandler > &rHandler );
 
@@ -477,7 +477,7 @@ public:
     SvXMLExportFlags getExportFlags() const { return mnExportFlags; }
 
     void ExportEmbeddedOwnObject(
-        css::uno::Reference<css::lang::XComponent >& rComp );
+        css::uno::Reference<css::lang::XComponent > const & rComp );
 
     OUString GetRelativeReference(const OUString& rValue);
 
@@ -617,13 +617,13 @@ inline bool SvXMLExport::HasFormExport()
 }
 
 inline void SvXMLExport::SetEmbeddedResolver(
-    css::uno::Reference< css::document::XEmbeddedObjectResolver >& _xEmbeddedResolver )
+    css::uno::Reference< css::document::XEmbeddedObjectResolver > const & _xEmbeddedResolver )
 {
     mxEmbeddedResolver = _xEmbeddedResolver;
 }
 
 inline void SvXMLExport::SetGraphicResolver(
-    css::uno::Reference< css::document::XGraphicObjectResolver >& _xGraphicResolver )
+    css::uno::Reference< css::document::XGraphicObjectResolver > const & _xGraphicResolver )
 {
     mxGraphicResolver = _xGraphicResolver;
 }
diff --git a/include/xmloff/xmlimp.hxx b/include/xmloff/xmlimp.hxx
index 3a38ec1919fc..983375b45684 100644
--- a/include/xmloff/xmlimp.hxx
+++ b/include/xmloff/xmlimp.hxx
@@ -128,7 +128,7 @@ private:
 
 public:
     SvXMLImportFastNamespaceHandler();
-    void addNSDeclAttributes( rtl::Reference < comphelper::AttributeList >& rAttrList );
+    void addNSDeclAttributes( rtl::Reference < comphelper::AttributeList > const & rAttrList );
 
     //XFastNamespaceHandler
     virtual void SAL_CALL registerNamespace( const OUString& rNamespacePrefix, const OUString& rNamespaceURI ) override;
@@ -268,10 +268,10 @@ protected:
     bool IsODFVersionConsistent( const OUString& aODFVersion );
 
     const css::uno::Reference< css::document::XEmbeddedObjectResolver >& GetEmbeddedResolver() const { return mxEmbeddedResolver; }
-    inline void SetEmbeddedResolver( css::uno::Reference< css::document::XEmbeddedObjectResolver >& _xEmbeddedResolver );
+    inline void SetEmbeddedResolver( css::uno::Reference< css::document::XEmbeddedObjectResolver > const & _xEmbeddedResolver );
 
     const css::uno::Reference< css::document::XGraphicObjectResolver >& GetGraphicResolver() const { return mxGraphicResolver; }
-    void SetGraphicResolver( css::uno::Reference< css::document::XGraphicObjectResolver >& _xGraphicResolver );
+    void SetGraphicResolver( css::uno::Reference< css::document::XGraphicObjectResolver > const & _xGraphicResolver );
 
 
     void CreateNumberFormatsSupplier_();
@@ -616,13 +616,13 @@ inline rtl::Reference< ::xmloff::OFormLayerXMLImport > const & SvXMLImport::GetF
 }
 
 inline void SvXMLImport::SetEmbeddedResolver(
-    css::uno::Reference< css::document::XEmbeddedObjectResolver >& _xEmbeddedResolver )
+    css::uno::Reference< css::document::XEmbeddedObjectResolver > const & _xEmbeddedResolver )
 {
     mxEmbeddedResolver = _xEmbeddedResolver;
 }
 
 inline void SvXMLImport::SetGraphicResolver(
-    css::uno::Reference< css::document::XGraphicObjectResolver >& _xGraphicResolver )
+    css::uno::Reference< css::document::XGraphicObjectResolver > const & _xGraphicResolver )
 {
     mxGraphicResolver = _xGraphicResolver;
 }
diff --git a/include/xmloff/xmlnumfi.hxx b/include/xmloff/xmlnumfi.hxx
index 8a9d7d589d0e..cedad8c08436 100644
--- a/include/xmloff/xmlnumfi.hxx
+++ b/include/xmloff/xmlnumfi.hxx
@@ -179,7 +179,7 @@ public:
     SvXMLNumImpData* GetData() const                { return pData; }
     sal_Int32 GetKey();
     sal_Int32 CreateAndInsert( SvNumberFormatter* pFormatter );
-    sal_Int32 CreateAndInsert( css::uno::Reference< css::util::XNumberFormatsSupplier >& xFormatsSupplier );
+    sal_Int32 CreateAndInsert( css::uno::Reference< css::util::XNumberFormatsSupplier > const & xFormatsSupplier );
     sal_uInt16 GetType() const                      { return nType; }   // SvXMLStylesTokens
 
     bool HasLongDoW() const                     { return bHasLongDoW; }
diff --git a/include/xmloff/xmluconv.hxx b/include/xmloff/xmluconv.hxx
index 9be745f1a259..1dd231e55782 100644
--- a/include/xmloff/xmluconv.hxx
+++ b/include/xmloff/xmluconv.hxx
@@ -230,7 +230,7 @@ public:
 
     static void convertPropertySet(css::uno::Sequence<css::beans::PropertyValue>& rProps,
                         const css::uno::Reference<css::beans::XPropertySet>& aProperties);
-    static void convertPropertySet(css::uno::Reference<css::beans::XPropertySet>& rProperties,
+    static void convertPropertySet(css::uno::Reference<css::beans::XPropertySet> const & rProperties,
                         const css::uno::Sequence<css::beans::PropertyValue>& aProps);
 
     OUString encodeStyleName( const OUString& rName,
diff --git a/xmloff/inc/RDFaImportHelper.hxx b/xmloff/inc/RDFaImportHelper.hxx
index b25c09b8ab32..c64e5a19cd7c 100644
--- a/xmloff/inc/RDFaImportHelper.hxx
+++ b/xmloff/inc/RDFaImportHelper.hxx
@@ -67,7 +67,7 @@ public:
     /** Add a RDFa statement; must have been parsed with ParseRDFa */
     void AddRDFa(
         css::uno::Reference< css::rdf::XMetadatable> const & i_xObject,
-        std::shared_ptr<ParsedRDFaAttributes> & i_pRDFaAttributes);
+        std::shared_ptr<ParsedRDFaAttributes> const & i_pRDFaAttributes);
 
     /** Parse and add a RDFa statement; parameters are XML attribute values */
     void ParseAndAddRDFa(
diff --git a/xmloff/inc/XMLEmbeddedObjectImportContext.hxx b/xmloff/inc/XMLEmbeddedObjectImportContext.hxx
index 01046620e0d7..206707ce1409 100644
--- a/xmloff/inc/XMLEmbeddedObjectImportContext.hxx
+++ b/xmloff/inc/XMLEmbeddedObjectImportContext.hxx
@@ -55,8 +55,7 @@ public:
 
     virtual void Characters( const OUString& rChars ) override;
 
-    void SetComponent(
-        css::uno::Reference< css::lang::XComponent >& rComp );
+    void SetComponent( css::uno::Reference< css::lang::XComponent > const & rComp );
 
 };
 
diff --git a/xmloff/inc/XMLNumberStylesImport.hxx b/xmloff/inc/XMLNumberStylesImport.hxx
index 172e17587742..4f4d1c8e849a 100644
--- a/xmloff/inc/XMLNumberStylesImport.hxx
+++ b/xmloff/inc/XMLNumberStylesImport.hxx
@@ -43,7 +43,7 @@ private:
     bool compareStyle( const SdXMLFixedDataStyle* pStyle, sal_Int16& nIndex ) const;
 
 protected:
-    void add( OUString& rNumberStyle, bool bLong, bool bTextual, bool  bDecimal02, OUString& rText );
+    void add( OUString const & rNumberStyle, bool bLong, bool bTextual, bool bDecimal02, OUString const & rText );
 
 public:
 
diff --git a/xmloff/inc/animationimport.hxx b/xmloff/inc/animationimport.hxx
index 03abc23a6f9b..6e77eea29ee8 100644
--- a/xmloff/inc/animationimport.hxx
+++ b/xmloff/inc/animationimport.hxx
@@ -54,7 +54,7 @@ public:
     virtual SvXMLImportContext * CreateChildContext( sal_uInt16 nPrefix, const OUString& rLocalName,
         const css::uno::Reference< css::xml::sax::XAttributeList>& xAttrList ) override;
 
-    static void postProcessRootNode( const css::uno::Reference< css::animations::XAnimationNode >& xNode, css::uno::Reference< css::beans::XPropertySet >& xPageProps );
+    static void postProcessRootNode( const css::uno::Reference< css::animations::XAnimationNode >& xNode, css::uno::Reference< css::beans::XPropertySet > const & xPageProps );
 };
 
 }
diff --git a/xmloff/inc/txtlists.hxx b/xmloff/inc/txtlists.hxx
index f4696713908e..1d335be473f9 100644
--- a/xmloff/inc/txtlists.hxx
+++ b/xmloff/inc/txtlists.hxx
@@ -74,7 +74,7 @@ class XMLTextListsHelper
         OUString GenerateNewListId() const;
 
         // Provide list id for a certain list block for import (#i92811#)
-        OUString GetListIdForListBlock( XMLTextListBlockContext& rListBlock );
+        OUString GetListIdForListBlock( XMLTextListBlockContext const & rListBlock );
 
         // keep track of continue list chain for export
         void StoreLastContinuingList( const OUString& sListId,
diff --git a/xmloff/source/chart/SchXMLChartContext.cxx b/xmloff/source/chart/SchXMLChartContext.cxx
index 69c76d5ab9ea..a65e6c81434d 100644
--- a/xmloff/source/chart/SchXMLChartContext.cxx
+++ b/xmloff/source/chart/SchXMLChartContext.cxx
@@ -241,7 +241,7 @@ SchXMLChartContext::SchXMLChartContext( SchXMLImportHelper& rImpHelper,
 SchXMLChartContext::~SchXMLChartContext()
 {}
 
-bool lcl_hasServiceName(Reference<lang::XMultiServiceFactory> & xFactory, OUString const & rServiceName)
+bool lcl_hasServiceName(Reference<lang::XMultiServiceFactory> const & xFactory, OUString const & rServiceName)
 {
     const uno::Sequence<OUString> aServiceNames(xFactory->getAvailableServiceNames());
 
diff --git a/xmloff/source/chart/SchXMLPlotAreaContext.cxx b/xmloff/source/chart/SchXMLPlotAreaContext.cxx
index 74141afbc526..e76f51b04c52 100644
--- a/xmloff/source/chart/SchXMLPlotAreaContext.cxx
+++ b/xmloff/source/chart/SchXMLPlotAreaContext.cxx
@@ -706,7 +706,7 @@ void SchXMLPositionAttributesHelper::readPositioningAttribute( sal_uInt16 nPrefi
     }
 }
 
-void SchXMLPositionAttributesHelper::readAutomaticPositioningProperties( XMLPropStyleContext* pPropStyleContext, const SvXMLStylesContext* pStylesCtxt )
+void SchXMLPositionAttributesHelper::readAutomaticPositioningProperties( XMLPropStyleContext const * pPropStyleContext, const SvXMLStylesContext* pStylesCtxt )
 {
     if( pPropStyleContext && pStylesCtxt )
     {
@@ -942,7 +942,7 @@ SchXMLStatisticsObjectContext::~SchXMLStatisticsObjectContext()
 namespace {
 
 void SetErrorBarStyleProperties( const OUString& rStyleName, const uno::Reference< beans::XPropertySet >& xBarProp,
-                                        SchXMLImportHelper& rImportHelper )
+                                 SchXMLImportHelper const & rImportHelper )
 {
     const SvXMLStylesContext* pStylesCtxt = rImportHelper.GetAutoStylesContext();
     const SvXMLStyleContext* pStyle = pStylesCtxt->FindStyleChildContext(SchXMLImportHelper::GetChartFamilyID(),
@@ -955,7 +955,7 @@ void SetErrorBarStyleProperties( const OUString& rStyleName, const uno::Referenc
 }
 
 void SetErrorBarPropertiesFromStyleName( const OUString& aStyleName, const uno::Reference< beans::XPropertySet>& xBarProp,
-                                            SchXMLImportHelper& rImportHelper, OUString& aPosRange, OUString& aNegRange)
+                                         SchXMLImportHelper const & rImportHelper, OUString& aPosRange, OUString& aNegRange)
 {
     const SvXMLStylesContext* pStylesCtxt = rImportHelper.GetAutoStylesContext();
     const SvXMLStyleContext* pStyle = pStylesCtxt->FindStyleChildContext(SchXMLImportHelper::GetChartFamilyID(),
diff --git a/xmloff/source/chart/SchXMLPlotAreaContext.hxx b/xmloff/source/chart/SchXMLPlotAreaContext.hxx
index 612bdbb26363..f839420b8718 100644
--- a/xmloff/source/chart/SchXMLPlotAreaContext.hxx
+++ b/xmloff/source/chart/SchXMLPlotAreaContext.hxx
@@ -58,7 +58,7 @@ public:
     ~SchXMLPositionAttributesHelper();
 
     void readPositioningAttribute( sal_uInt16 nPrefix, const OUString& rLocalName, const OUString& rValue );
-    void readAutomaticPositioningProperties( XMLPropStyleContext* pPropStyleContext, const SvXMLStylesContext* pStylesCtxt );
+    void readAutomaticPositioningProperties( XMLPropStyleContext const * pPropStyleContext, const SvXMLStylesContext* pStylesCtxt );
 
     bool hasPosSize() const;
     bool isAutomatic() const;
diff --git a/xmloff/source/chart/SchXMLSeries2Context.cxx b/xmloff/source/chart/SchXMLSeries2Context.cxx
index ee6a10c447f7..d868cf61ae13 100644
--- a/xmloff/source/chart/SchXMLSeries2Context.cxx
+++ b/xmloff/source/chart/SchXMLSeries2Context.cxx
@@ -230,7 +230,7 @@ Reference< chart2::data::XLabeledDataSequence2 > lcl_createAndAddSequenceToSerie
 XMLPropStyleContext* lcl_GetStylePropContext(
                         const SvXMLStylesContext* pStylesCtxt,
                         const SvXMLStyleContext*& rpStyle,
-                        OUString& rStyleName )
+                        OUString const & rStyleName )
 {
     rpStyle = pStylesCtxt->FindStyleChildContext( SchXMLImportHelper::GetChartFamilyID(), rStyleName );
     XMLPropStyleContext* pPropStyleContext =
@@ -876,7 +876,7 @@ void SchXMLSeries2Context::setStylesToRegressionCurves(
                                 SeriesDefaultsAndStyles& rSeriesDefaultsAndStyles,
                                 const SvXMLStylesContext* pStylesCtxt,
                                 const SvXMLStyleContext*& rpStyle,
-                                OUString& rCurrentStyleName )
+                                OUString const & rCurrentStyleName )
 {
     std::list< RegressionStyle >::iterator iStyle;
 
diff --git a/xmloff/source/chart/SchXMLSeries2Context.hxx b/xmloff/source/chart/SchXMLSeries2Context.hxx
index a546d2671535..c3ebf3a000c5 100644
--- a/xmloff/source/chart/SchXMLSeries2Context.hxx
+++ b/xmloff/source/chart/SchXMLSeries2Context.hxx
@@ -115,7 +115,7 @@ public:
                     SeriesDefaultsAndStyles& rSeriesDefaultsAndStyles,
                     const SvXMLStylesContext* pStylesCtxt,
                     const SvXMLStyleContext*& rpStyle,
-                    OUString &rCurrStyleName );
+                    OUString const &rCurrStyleName );
 
     static void setStylesToDataPoints( SeriesDefaultsAndStyles& rSeriesDefaultsAndStyles
         , const SvXMLStylesContext* pStylesCtxt
diff --git a/xmloff/source/core/DocumentSettingsContext.cxx b/xmloff/source/core/DocumentSettingsContext.cxx
index 6dfe2e723967..7f902830f5b9 100644
--- a/xmloff/source/core/DocumentSettingsContext.cxx
+++ b/xmloff/source/core/DocumentSettingsContext.cxx
@@ -59,7 +59,7 @@ class XMLMyList
 public:
     explicit XMLMyList(const uno::Reference<uno::XComponentContext>& rxContext);
 
-    void push_back(beans::PropertyValue& aProp) { aProps.push_back(aProp); nCount++; }
+    void push_back(beans::PropertyValue const & aProp) { aProps.push_back(aProp); nCount++; }
     uno::Sequence<beans::PropertyValue> GetSequence();
     uno::Reference<container::XNameContainer> GetNameContainer();
     uno::Reference<container::XIndexContainer> GetIndexContainer();
diff --git a/xmloff/source/core/RDFaImportHelper.cxx b/xmloff/source/core/RDFaImportHelper.cxx
index 1d8b440d3ea5..abfa5ed80ced 100644
--- a/xmloff/source/core/RDFaImportHelper.cxx
+++ b/xmloff/source/core/RDFaImportHelper.cxx
@@ -397,7 +397,7 @@ RDFaImportHelper::ParseRDFa(
 void
 RDFaImportHelper::AddRDFa(
     uno::Reference<rdf::XMetadatable> const & i_xObject,
-    std::shared_ptr<ParsedRDFaAttributes> & i_pRDFaAttributes)
+    std::shared_ptr<ParsedRDFaAttributes> const & i_pRDFaAttributes)
 {
     if (!i_xObject.is())
     {
diff --git a/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx b/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx
index 9c0699b80ca7..50401c3dc7ee 100644
--- a/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx
+++ b/xmloff/source/core/XMLEmbeddedObjectImportContext.cxx
@@ -100,8 +100,7 @@ void XMLEmbeddedObjectImportContext_Impl::Characters( const OUString& rChars )
 }
 
 
-void XMLEmbeddedObjectImportContext::SetComponent(
-        Reference< XComponent >& rComp )
+void XMLEmbeddedObjectImportContext::SetComponent( Reference< XComponent > const & rComp )
 {
     if( !rComp.is() || sFilterService.isEmpty() )
         return;
diff --git a/xmloff/source/core/xmlexp.cxx b/xmloff/source/core/xmlexp.cxx
index 89fe990f6d11..874a330882b3 100644
--- a/xmloff/source/core/xmlexp.cxx
+++ b/xmloff/source/core/xmlexp.cxx
@@ -1216,7 +1216,7 @@ void SvXMLExport::SetBodyAttributes()
 }
 
 static void
-lcl_AddGrddl(SvXMLExport & rExport, const SvXMLExportFlags /*nExportMode*/)
+lcl_AddGrddl(SvXMLExport const & rExport, const SvXMLExportFlags /*nExportMode*/)
 {
     // check version >= 1.2
     switch (rExport.getDefaultVersion()) {
@@ -2065,7 +2065,7 @@ sal_Int64 SAL_CALL SvXMLExport::getSomething( const uno::Sequence< sal_Int8 >& r
     return 0;
 }
 
-void SvXMLExport::ExportEmbeddedOwnObject( Reference< XComponent >& rComp )
+void SvXMLExport::ExportEmbeddedOwnObject( Reference< XComponent > const & rComp )
 {
     OUString sFilterService;
 
diff --git a/xmloff/source/core/xmlimp.cxx b/xmloff/source/core/xmlimp.cxx
index 10f31883f236..464d397d29b6 100644
--- a/xmloff/source/core/xmlimp.cxx
+++ b/xmloff/source/core/xmlimp.cxx
@@ -2117,7 +2117,7 @@ SvXMLImportFastNamespaceHandler::SvXMLImportFastNamespaceHandler()
 {
 }
 
-void SvXMLImportFastNamespaceHandler::addNSDeclAttributes( rtl::Reference < comphelper::AttributeList >& rAttrList )
+void SvXMLImportFastNamespaceHandler::addNSDeclAttributes( rtl::Reference < comphelper::AttributeList > const & rAttrList )
 {
     for(const auto& aNamespaceDefine : m_aNamespaceDefines)
     {
diff --git a/xmloff/source/core/xmluconv.cxx b/xmloff/source/core/xmluconv.cxx
index 7272ac0e6870..d65ad047c130 100644
--- a/xmloff/source/core/xmluconv.cxx
+++ b/xmloff/source/core/xmluconv.cxx
@@ -732,7 +732,7 @@ void SvXMLUnitConverter::convertPropertySet(uno::Sequence<beans::PropertyValue>&
     }
 }
 
-void SvXMLUnitConverter::convertPropertySet(uno::Reference<beans::XPropertySet>& rProperties,
+void SvXMLUnitConverter::convertPropertySet(uno::Reference<beans::XPropertySet> const & rProperties,
                     const uno::Sequence<beans::PropertyValue>& aProps)
 {
     sal_Int32 nCount(aProps.getLength());
diff --git a/xmloff/source/draw/XMLNumberStyles.cxx b/xmloff/source/draw/XMLNumberStyles.cxx
index 5e083fe05a43..909c0d69372d 100644
--- a/xmloff/source/draw/XMLNumberStyles.cxx
+++ b/xmloff/source/draw/XMLNumberStyles.cxx
@@ -601,7 +601,7 @@ SdXMLNumberFormatImportContext::~SdXMLNumberFormatImportContext()
 {
 }
 
-void SdXMLNumberFormatImportContext::add( OUString& rNumberStyle, bool bLong, bool bTextual, bool   bDecimal02, OUString& rText )
+void SdXMLNumberFormatImportContext::add( OUString const & rNumberStyle, bool bLong, bool bTextual, bool bDecimal02, OUString const & rText )
 {
     if( mnIndex == -1 || mnIndex == 16 )
     {
diff --git a/xmloff/source/draw/animationimport.cxx b/xmloff/source/draw/animationimport.cxx
index d99066d71ccc..98941c827b41 100644
--- a/xmloff/source/draw/animationimport.cxx
+++ b/xmloff/source/draw/animationimport.cxx
@@ -1331,7 +1331,7 @@ Reference< XAnimationNode > SAL_CALL AnimationsImport::getAnimationNode()
     return mxRootNode;
 }
 
-void AnimationNodeContext::postProcessRootNode( const Reference< XAnimationNode >& xRootNode, Reference< XPropertySet >& xPageProps )
+void AnimationNodeContext::postProcessRootNode( const Reference< XAnimationNode >& xRootNode, Reference< XPropertySet > const & xPageProps )
 {
     if( xRootNode.is() && xPageProps.is() ) try
     {
diff --git a/xmloff/source/draw/shapeexport.cxx b/xmloff/source/draw/shapeexport.cxx
index c288640a68fa..375de1e64ba6 100644
--- a/xmloff/source/draw/shapeexport.cxx
+++ b/xmloff/source/draw/shapeexport.cxx
@@ -1377,8 +1377,8 @@ void XMLShapeExport::ImpExportNewTrans_DecomposeAndRefPoint(const ::basegfx::B2D
     }
 }
 
-void XMLShapeExport::ImpExportNewTrans_FeaturesAndWrite(::basegfx::B2DTuple& rTRScale, double fTRShear,
-    double fTRRotate, ::basegfx::B2DTuple& rTRTranslate, const XMLShapeExportFlags nFeatures)
+void XMLShapeExport::ImpExportNewTrans_FeaturesAndWrite(::basegfx::B2DTuple const & rTRScale, double fTRShear,
+    double fTRRotate, ::basegfx::B2DTuple const & rTRTranslate, const XMLShapeExportFlags nFeatures)
 {
     // always write Size (rTRScale) since this statement carries the union
     // of the object
@@ -2640,7 +2640,7 @@ void XMLShapeExport::ImpExportConnectorShape(
 
 void XMLShapeExport::ImpExportMeasureShape(
     const uno::Reference< drawing::XShape >& xShape,
-    XMLShapeExportFlags nFeatures /* = SEF_DEFAULT */, awt::Point* pRefPoint /* = NULL */)
+    XMLShapeExportFlags nFeatures /* = SEF_DEFAULT */, awt::Point const * pRefPoint /* = NULL */)
 {
     uno::Reference< beans::XPropertySet > xProps( xShape, uno::UNO_QUERY );
 
diff --git a/xmloff/source/draw/shapeimport.cxx b/xmloff/source/draw/shapeimport.cxx
index 17682d8ba61c..c20bb8c2f560 100644
--- a/xmloff/source/draw/shapeimport.cxx
+++ b/xmloff/source/draw/shapeimport.cxx
@@ -843,7 +843,7 @@ void XMLShapeImportHelper::popGroupAndSort()
     mpImpl->mpSortContext = mpImpl->mpSortContext->mpParentContext;
 }
 
-void XMLShapeImportHelper::shapeWithZIndexAdded( css::uno::Reference< css::drawing::XShape >& xShape, sal_Int32 nZIndex )
+void XMLShapeImportHelper::shapeWithZIndexAdded( css::uno::Reference< css::drawing::XShape > const & xShape, sal_Int32 nZIndex )
 {
     if( mpImpl->mpSortContext)
     {
@@ -896,7 +896,7 @@ void XMLShapeImportHelper::shapeRemoved(const uno::Reference<drawing::XShape>& x
     }
 }
 
-void XMLShapeImportHelper::addShapeConnection( css::uno::Reference< css::drawing::XShape >& rConnectorShape,
+void XMLShapeImportHelper::addShapeConnection( css::uno::Reference< css::drawing::XShape > const & rConnectorShape,
                          bool bStart,
                          const OUString& rDestShapeId,
                          sal_Int32 nDestGlueId )
@@ -968,7 +968,7 @@ SvXMLImportPropertyMapper* XMLShapeImportHelper::CreateShapePropMapper( const un
 
 /** adds a mapping for a glue point identifier from an xml file to the identifier created after inserting
     the new glue point into the core. The saved mappings can be retrieved by getGluePointId() */
-void XMLShapeImportHelper::addGluePointMapping( css::uno::Reference< css::drawing::XShape >& xShape,
+void XMLShapeImportHelper::addGluePointMapping( css::uno::Reference< css::drawing::XShape > const & xShape,
                           sal_Int32 nSourceId, sal_Int32 nDestinnationId )
 {
     if( mpPageContext )
@@ -1014,7 +1014,7 @@ sal_Int32 XMLShapeImportHelper::getGluePointId( const css::uno::Reference< css::
 }
 
 /** this method must be calling before the first shape is imported for the given page */
-void XMLShapeImportHelper::startPage( css::uno::Reference< css::drawing::XShapes >& rShapes )
+void XMLShapeImportHelper::startPage( css::uno::Reference< css::drawing::XShapes > const & rShapes )
 {
     const std::shared_ptr<XMLShapeImportPageContextImpl> pOldContext = mpPageContext;
     mpPageContext = std::make_shared<XMLShapeImportPageContextImpl>();
@@ -1023,7 +1023,7 @@ void XMLShapeImportHelper::startPage( css::uno::Reference< css::drawing::XShapes
 }
 
 /** this method must be calling after the last shape is imported for the given page */
-void XMLShapeImportHelper::endPage( css::uno::Reference< css::drawing::XShapes >& rShapes )
+void XMLShapeImportHelper::endPage( css::uno::Reference< css::drawing::XShapes > const & rShapes )
 {
     SAL_WARN_IF( !mpPageContext || (mpPageContext->mxShapes != rShapes), "xmloff", "wrong call to endPage(), no startPage called or wrong page" );
     if( nullptr == mpPageContext )
diff --git a/xmloff/source/draw/ximppage.cxx b/xmloff/source/draw/ximppage.cxx
index dcc94e696e11..6be82e5e56fb 100644
--- a/xmloff/source/draw/ximppage.cxx
+++ b/xmloff/source/draw/ximppage.cxx
@@ -352,7 +352,7 @@ void SdXMLGenericPageContext::EndElement()
     SetNavigationOrder();
 }
 
-void SdXMLGenericPageContext::SetStyle( OUString& rStyleName )
+void SdXMLGenericPageContext::SetStyle( OUString const & rStyleName )
 {
     // set PageProperties?
     if(!rStyleName.isEmpty())
@@ -471,7 +471,7 @@ void SdXMLGenericPageContext::DeleteAllShapes()
     }
 }
 
-void SdXMLGenericPageContext::SetPageMaster( OUString& rsPageMasterName )
+void SdXMLGenericPageContext::SetPageMaster( OUString const & rsPageMasterName )
 {
     if (GetSdImport().GetShapeImport()->GetStylesContext())
     {
diff --git a/xmloff/source/draw/ximppage.hxx b/xmloff/source/draw/ximppage.hxx
index 21cce5b8ca41..1ed281a48a12 100644
--- a/xmloff/source/draw/ximppage.hxx
+++ b/xmloff/source/draw/ximppage.hxx
@@ -43,7 +43,7 @@ protected:
     OUString               msNavOrder;
 
     /** sets the page style on this page */
-    void SetStyle( OUString& rStyleName );
+    void SetStyle( OUString const & rStyleName );
 
     /** sets the presentation layout at this page. It is used for drawing pages and for the handout master */
     void SetLayout();
@@ -55,7 +55,7 @@ protected:
     SdXMLImport& GetSdImport() { return static_cast<SdXMLImport&>(GetImport()); }
 
     /** sets the properties from a page master style with the given name on this contexts page */
-    void SetPageMaster( OUString& rsPageMasterName );
+    void SetPageMaster( OUString const & rsPageMasterName );
 
     void SetNavigationOrder();
 
diff --git a/xmloff/source/draw/ximpstyl.cxx b/xmloff/source/draw/ximpstyl.cxx
index 5ec90505c443..0df1d145314f 100644
--- a/xmloff/source/draw/ximpstyl.cxx
+++ b/xmloff/source/draw/ximpstyl.cxx
@@ -1135,7 +1135,7 @@ void SdXMLStylesContext::EndElement()
 // set master-page styles (all with family="presentation" and a special
 // prefix) on given master-page.
 
-void SdXMLStylesContext::SetMasterPageStyles(SdXMLMasterPageContext& rMaster) const
+void SdXMLStylesContext::SetMasterPageStyles(SdXMLMasterPageContext const & rMaster) const
 {
     const uno::Reference<container::XNameAccess>& rStyleFamilies =
         GetSdImport().GetLocalDocStyleFamilies();
@@ -1231,7 +1231,7 @@ static bool canSkipReset(const OUString &rName, const XMLPropStyleContext* pProp
 
 // help function used by ImpSetGraphicStyles() and ImpSetMasterPageStyles()
 
-void SdXMLStylesContext::ImpSetGraphicStyles( uno::Reference< container::XNameAccess >& xPageStyles,  sal_uInt16 nFamily,  const OUString& rPrefix) const
+void SdXMLStylesContext::ImpSetGraphicStyles( uno::Reference< container::XNameAccess > const & xPageStyles,  sal_uInt16 nFamily,  const OUString& rPrefix) const
 {
     sal_Int32 nPrefLen(rPrefix.getLength());
 
diff --git a/xmloff/source/draw/ximpstyl.hxx b/xmloff/source/draw/ximpstyl.hxx
index bf7cc23fefe7..a159c895386b 100644
--- a/xmloff/source/draw/ximpstyl.hxx
+++ b/xmloff/source/draw/ximpstyl.hxx
@@ -185,7 +185,7 @@ class SdXMLStylesContext : public SvXMLStylesContext
 
     void ImpSetGraphicStyles() const;
     void ImpSetCellStyles() const;
-    void ImpSetGraphicStyles( css::uno::Reference< css::container::XNameAccess >& xPageStyles,
+    void ImpSetGraphicStyles( css::uno::Reference< css::container::XNameAccess > const & xPageStyles,
         sal_uInt16 nFamily, const OUString& rPrefix) const;
 
 protected:
@@ -216,7 +216,7 @@ public:
     virtual void EndElement() override;
     virtual rtl::Reference< SvXMLImportPropertyMapper > GetImportPropertyMapper(sal_uInt16 nFamily) const override;
 
-    void SetMasterPageStyles(SdXMLMasterPageContext& rMaster) const;
+    void SetMasterPageStyles(SdXMLMasterPageContext const & rMaster) const;
 
     css::uno::Reference< css::container::XNameAccess > getPageLayouts() const;
 };
diff --git a/xmloff/source/script/XMLEventExport.cxx b/xmloff/source/script/XMLEventExport.cxx
index 19d23e47f2ac..aa110820e98b 100644
--- a/xmloff/source/script/XMLEventExport.cxx
+++ b/xmloff/source/script/XMLEventExport.cxx
@@ -89,7 +89,7 @@ void XMLEventExport::AddTranslationTable(
     // else? ignore!
 }
 
-void XMLEventExport::Export( Reference<XEventsSupplier> & rSupplier,
+void XMLEventExport::Export( Reference<XEventsSupplier> const & rSupplier,
                              bool bWhitespace)
 {
     if (rSupplier.is())
@@ -100,14 +100,14 @@ void XMLEventExport::Export( Reference<XEventsSupplier> & rSupplier,
     // else: no supplier, no export -> ignore!
 }
 
-void XMLEventExport::Export( Reference<XNameReplace> & rReplace,
+void XMLEventExport::Export( Reference<XNameReplace> const & rReplace,
                              bool bWhitespace)
 {
     Reference<XNameAccess> xAccess(rReplace, UNO_QUERY);
     Export(xAccess, bWhitespace);
 }
 
-void XMLEventExport::Export( Reference<XNameAccess> & rAccess,
+void XMLEventExport::Export( Reference<XNameAccess> const & rAccess,
                              bool bWhitespace)
 {
     // early out if we don't actually get any events
@@ -152,7 +152,7 @@ void XMLEventExport::Export( Reference<XNameAccess> & rAccess,
     }
 }
 
-void XMLEventExport::ExportExt( Reference<XNameAccess> & rAccess )
+void XMLEventExport::ExportExt( Reference<XNameAccess> const & rAccess )
 {
     // set bExtNamespace flag to use XML_NAMESPACE_OFFICE_EXT namespace
     // for events element (not for child elements)
diff --git a/xmloff/source/style/numehelp.cxx b/xmloff/source/style/numehelp.cxx
index 30cba2664d25..5bc0c5fe9a6b 100644
--- a/xmloff/source/style/numehelp.cxx
+++ b/xmloff/source/style/numehelp.cxx
@@ -218,7 +218,7 @@ void XMLNumberFormatAttributesExportHelper::WriteAttributes(SvXMLExport& rXMLExp
 }
 
 bool XMLNumberFormatAttributesExportHelper::GetCurrencySymbol(const sal_Int32 nNumberFormat, OUString& sCurrencySymbol,
-    uno::Reference <util::XNumberFormatsSupplier>& xNumberFormatsSupplier)
+    uno::Reference <util::XNumberFormatsSupplier> const & xNumberFormatsSupplier)
 {
     if (xNumberFormatsSupplier.is())
     {
@@ -255,7 +255,7 @@ bool XMLNumberFormatAttributesExportHelper::GetCurrencySymbol(const sal_Int32 nN
 
 
 sal_Int16 XMLNumberFormatAttributesExportHelper::GetCellType(const sal_Int32 nNumberFormat, bool& bIsStandard,
-    uno::Reference <util::XNumberFormatsSupplier>& xNumberFormatsSupplier)
+    uno::Reference <util::XNumberFormatsSupplier> const & xNumberFormatsSupplier)
 {
     if (xNumberFormatsSupplier.is())
     {
diff --git a/xmloff/source/style/xmlaustp.cxx b/xmloff/source/style/xmlaustp.cxx
index b03387993f54..0da5730f4d8f 100644
--- a/xmloff/source/style/xmlaustp.cxx
+++ b/xmloff/source/style/xmlaustp.cxx
@@ -322,8 +322,8 @@ void SvXMLAutoStylePoolP::GetRegisteredNames(
 }
 
 void SvXMLAutoStylePoolP::RegisterNames(
-    uno::Sequence<sal_Int32>& aFamilies,
-    uno::Sequence<OUString>& aNames )
+    uno::Sequence<sal_Int32> const & aFamilies,
+    uno::Sequence<OUString> const & aNames )
 {
     assert(aFamilies.getLength() == aNames.getLength());
 
diff --git a/xmloff/source/style/xmlnumfe.cxx b/xmloff/source/style/xmlnumfe.cxx
index 1b2b42b120c9..a1ee8d905804 100644
--- a/xmloff/source/style/xmlnumfe.cxx
+++ b/xmloff/source/style/xmlnumfe.cxx
@@ -932,7 +932,7 @@ bool SvXMLNumFmtExport::WriteTextWithCurrency_Impl( const OUString& rString,
     return bRet;        // true: currency element written
 }
 
-static OUString lcl_GetDefaultCalendar( SvNumberFormatter* pFormatter, LanguageType nLang )
+static OUString lcl_GetDefaultCalendar( SvNumberFormatter const * pFormatter, LanguageType nLang )
 {
     //  get name of first non-gregorian calendar for the language
 
@@ -1903,7 +1903,7 @@ void SvXMLNumFmtExport::SetWasUsed(const uno::Sequence<sal_Int32>& rWasUsed)
         pUsedList->SetWasUsed(rWasUsed);
 }
 
-static const SvNumberformat* lcl_GetFormat( SvNumberFormatter* pFormatter,
+static const SvNumberformat* lcl_GetFormat( SvNumberFormatter const * pFormatter,
                            sal_uInt32 nKey )
 {
     return ( pFormatter != nullptr ) ? pFormatter->GetEntry( nKey ) : nullptr;
diff --git a/xmloff/source/style/xmlnumfi.cxx b/xmloff/source/style/xmlnumfi.cxx
index f6f1574e0136..25d54ecf4252 100644
--- a/xmloff/source/style/xmlnumfi.cxx
+++ b/xmloff/source/style/xmlnumfi.cxx
@@ -1620,7 +1620,7 @@ sal_Int32 SvXMLNumFormatContext::PrivateGetKey()
     }
 }
 
-sal_Int32 SvXMLNumFormatContext::CreateAndInsert( css::uno::Reference< css::util::XNumberFormatsSupplier >& xFormatsSupplier )
+sal_Int32 SvXMLNumFormatContext::CreateAndInsert( css::uno::Reference< css::util::XNumberFormatsSupplier > const & xFormatsSupplier )
 {
     if (nKey <= -1)
     {
diff --git a/xmloff/source/text/XMLSectionExport.cxx b/xmloff/source/text/XMLSectionExport.cxx
index f276db392811..f77344f0d42b 100644
--- a/xmloff/source/text/XMLSectionExport.cxx
+++ b/xmloff/source/text/XMLSectionExport.cxx
@@ -1469,7 +1469,7 @@ void XMLSectionExport::ExportIndexTemplateElement(
 }
 
 void XMLSectionExport::ExportLevelParagraphStyles(
-    Reference<XIndexReplace> & xLevelParagraphStyles)
+    Reference<XIndexReplace> const & xLevelParagraphStyles)
 {
     // iterate over levels
     sal_Int32 nPLevelCount = xLevelParagraphStyles->getCount();
diff --git a/xmloff/source/text/XMLSectionExport.hxx b/xmloff/source/text/XMLSectionExport.hxx
index d7f403adbdd5..b4e49dac7439 100644
--- a/xmloff/source/text/XMLSectionExport.hxx
+++ b/xmloff/source/text/XMLSectionExport.hxx
@@ -248,8 +248,7 @@ protected:
 
     /// export level paragraph styles
     void ExportLevelParagraphStyles(
-        css::uno::Reference<
-            css::container::XIndexReplace> & xStyles);
+        css::uno::Reference< css::container::XIndexReplace> const & xStyles);
 
 
     /// helper to export boolean properties
diff --git a/xmloff/source/text/XMLTextMarkImportContext.cxx b/xmloff/source/text/XMLTextMarkImportContext.cxx
index 9a6108a0022d..30a2a78ad6de 100644
--- a/xmloff/source/text/XMLTextMarkImportContext.cxx
+++ b/xmloff/source/text/XMLTextMarkImportContext.cxx
@@ -126,7 +126,7 @@ static SvXMLEnumMapEntry<lcl_MarkType> const lcl_aMarkTypeMap[] =
 };
 
 
-static const char *lcl_getFormFieldmarkName(OUString &name)
+static const char *lcl_getFormFieldmarkName(OUString const &name)
 {
     if (name == ODF_FORMCHECKBOX ||
         name == "msoffice.field.FORMCHECKBOX" ||
diff --git a/xmloff/source/text/txtimp.cxx b/xmloff/source/text/txtimp.cxx
index b5b0b4243965..a49e9f621f30 100644
--- a/xmloff/source/text/txtimp.cxx
+++ b/xmloff/source/text/txtimp.cxx
@@ -1236,7 +1236,7 @@ void XMLTextImportHelper::InsertControlCharacter( sal_Int16 nControl )
 }
 
 void XMLTextImportHelper::InsertTextContent(
-    Reference < XTextContent > & xContent )
+    Reference < XTextContent > const & xContent )
 {
     assert(m_xImpl->m_xText.is());
     assert(m_xImpl->m_xCursorAsRange.is());
@@ -1368,10 +1368,10 @@ OUString XMLTextImportHelper::ConvertStarFonts( const OUString& rChars,
    to the found list styles of the parent styles. (#i73973#)
 */
 static bool lcl_HasListStyle( const OUString& sStyleName,
-                                  const Reference < XNameContainer >& xParaStyles,
-                                  SvXMLImport& rImport,
-                                  const OUString& sNumberingStyleName,
-                                  const OUString& sOutlineStyleName )
+                              const Reference < XNameContainer >& xParaStyles,
+                              SvXMLImport const & rImport,
+                              const OUString& sNumberingStyleName,
+                              const OUString& sOutlineStyleName )
 {
     bool bRet( false );
 
@@ -1486,7 +1486,7 @@ static bool lcl_HasListStyle( const OUString& sStyleName,
     return bRet;
 }
 OUString XMLTextImportHelper::SetStyleAndAttrs(
-        SvXMLImport& rImport,
+        SvXMLImport const & rImport,
         const Reference < XTextCursor >& rCursor,
         const OUString& rStyleName,
         bool bPara,
@@ -2086,7 +2086,7 @@ void XMLTextImportHelper::SetOutlineStyles( bool bSetEmptyLevels )
 }
 
 void XMLTextImportHelper::SetHyperlink(
-    SvXMLImport& rImport,
+    SvXMLImport const & rImport,
     const Reference < XTextCursor >& rCursor,
     const OUString& rHRef,
     const OUString& rName,
@@ -2167,7 +2167,7 @@ void XMLTextImportHelper::SetHyperlink(
 }
 
 void XMLTextImportHelper::SetRuby(
-    SvXMLImport& rImport,
+    SvXMLImport const & rImport,
     const Reference < XTextCursor >& rCursor,
     const OUString& rStyleName,
     const OUString& rTextStyleName,
@@ -2666,7 +2666,7 @@ bool XMLTextImportHelper::hasCurrentFieldCtx()
     return !m_xImpl->m_FieldStack.empty();
 }
 
-void XMLTextImportHelper::setCurrentFieldParamsTo(css::uno::Reference< css::text::XFormField> &xFormField)
+void XMLTextImportHelper::setCurrentFieldParamsTo(css::uno::Reference< css::text::XFormField> const &xFormField)
 {
     assert(!m_xImpl->m_FieldStack.empty());
     if (!m_xImpl->m_FieldStack.empty() && xFormField.is())
diff --git a/xmloff/source/text/txtimppr.cxx b/xmloff/source/text/txtimppr.cxx
index 893957a22dd8..5f9ee099c37e 100644
--- a/xmloff/source/text/txtimppr.cxx
+++ b/xmloff/source/text/txtimppr.cxx
@@ -182,11 +182,11 @@ void XMLTextImportPropertyMapper::FontFinished(
 
     #99928# CL */
 void XMLTextImportPropertyMapper::FontDefaultsCheck(
-                                        XMLPropertyState* pFontFamilyName,
-                                        XMLPropertyState* pFontStyleName,
-                                        XMLPropertyState* pFontFamily,
-                                        XMLPropertyState* pFontPitch,
-                                        XMLPropertyState* pFontCharSet,
+                                        XMLPropertyState const * pFontFamilyName,
+                                        XMLPropertyState const * pFontStyleName,
+                                        XMLPropertyState const * pFontFamily,
+                                        XMLPropertyState const * pFontPitch,
+                                        XMLPropertyState const * pFontCharSet,
                                         XMLPropertyState** ppNewFontStyleName,
                                         XMLPropertyState** ppNewFontFamily,
                                         XMLPropertyState** ppNewFontPitch,
diff --git a/xmloff/source/text/txtlists.cxx b/xmloff/source/text/txtlists.cxx
index f26df8acd606..25ff8ec94f11 100644
--- a/xmloff/source/text/txtlists.cxx
+++ b/xmloff/source/text/txtlists.cxx
@@ -221,7 +221,7 @@ OUString XMLTextListsHelper::GenerateNewListId() const
 }
 
 // Provide list id for a certain list block for import (#i92811#)
-OUString XMLTextListsHelper::GetListIdForListBlock( XMLTextListBlockContext& rListBlock )
+OUString XMLTextListsHelper::GetListIdForListBlock( XMLTextListBlockContext const & rListBlock )
 {
     OUString sListBlockListId( rListBlock.GetContinueListId() );
     if ( sListBlockListId.isEmpty() )
diff --git a/xmloff/source/text/txtparae.cxx b/xmloff/source/text/txtparae.cxx
index 05cb915e31c9..720ac814a24a 100644
--- a/xmloff/source/text/txtparae.cxx
+++ b/xmloff/source/text/txtparae.cxx
@@ -3278,7 +3278,7 @@ bool XMLTextParagraphExport::addHyperlinkAttributes(
 
 void XMLTextParagraphExport::exportTextRangeSpan(
     const css::uno::Reference< css::text::XTextRange > & rTextRange,
-    Reference< XPropertySet > & xPropSet,
+    Reference< XPropertySet > const & xPropSet,
     Reference < XPropertySetInfo > & xPropSetInfo,
     const bool bIsUICharStyle,
     const bool bHasAutoStyle,
diff --git a/xmloff/source/xforms/XFormsBindContext.cxx b/xmloff/source/xforms/XFormsBindContext.cxx
index 9cb04313ac17..0a624dd58ea5 100644
--- a/xmloff/source/xforms/XFormsBindContext.cxx
+++ b/xmloff/source/xforms/XFormsBindContext.cxx
@@ -58,7 +58,7 @@ static const struct SvXMLTokenMapEntry aAttributeMap[] =
 
 // helper function; see below
 static void lcl_fillNamespaceContainer( const SvXMLNamespaceMap&,
-                                 Reference<XNameContainer>& );
+                                 Reference<XNameContainer> const & );
 
 XFormsBindContext::XFormsBindContext(
     SvXMLImport& rImport,
@@ -143,7 +143,7 @@ SvXMLImportContext* XFormsBindContext::HandleChild(
 
 static void lcl_fillNamespaceContainer(
     const SvXMLNamespaceMap& aMap,
-    Reference<XNameContainer>& xContainer )
+    Reference<XNameContainer> const & xContainer )
 {
     sal_uInt16 nKeyIter = aMap.GetFirstKey();
     do
diff --git a/xmloff/source/xforms/xformsapi.cxx b/xmloff/source/xforms/xformsapi.cxx
index 4d22dbff862c..dbe8170e75d8 100644
--- a/xmloff/source/xforms/xformsapi.cxx
+++ b/xmloff/source/xforms/xformsapi.cxx
@@ -161,7 +161,7 @@ Reference<XPropertySet> xforms_findXFormsSubmission(
     return lcl_findXFormsBindingOrSubmission( xDocument, rBindingID, false );
 }
 
-void xforms_setValue( Reference<XPropertySet>& xPropertySet,
+void xforms_setValue( Reference<XPropertySet> const & xPropertySet,
                    const OUString& rName,
                    const Any& rAny )
 {
diff --git a/xmloff/source/xforms/xformsapi.hxx b/xmloff/source/xforms/xformsapi.hxx
index 0af4c48223ad..6f770627046a 100644
--- a/xmloff/source/xforms/xformsapi.hxx
+++ b/xmloff/source/xforms/xformsapi.hxx
@@ -45,7 +45,7 @@ css::uno::Reference<css::beans::XPropertySet> xforms_findXFormsBinding( css::uno
 css::uno::Reference<css::beans::XPropertySet> xforms_findXFormsSubmission( css::uno::Reference<css::frame::XModel> const &, const OUString& );
 
 void xforms_setValue(
-    css::uno::Reference<css::beans::XPropertySet>& xPropSet,
+    css::uno::Reference<css::beans::XPropertySet> const & xPropSet,
     const OUString& rName,
     const css::uno::Any& rAny );
 
diff --git a/xmloff/source/xforms/xformsexport.cxx b/xmloff/source/xforms/xformsexport.cxx
index 1f0b099507e3..a0c8ed01cfa9 100644
--- a/xmloff/source/xforms/xformsexport.cxx
+++ b/xmloff/source/xforms/xformsexport.cxx
@@ -143,7 +143,7 @@ convert_t const xforms_date     = &xforms_convertRef<util::Date,&xforms_formatDa
 convert_t const xforms_time     = &xforms_convertRef<css::util::Time,&xforms_formatTime>;
 
 // other functions
-static OUString lcl_getXSDType( SvXMLExport& rExport,
+static OUString lcl_getXSDType( SvXMLExport const & rExport,
                          const Reference<XPropertySet>& xType );
 
 
@@ -458,7 +458,7 @@ static void lcl_exportDataTypeFacets( SvXMLExport& rExport,
     }
 }
 
-static OUString lcl_getXSDType( SvXMLExport& rExport,
+static OUString lcl_getXSDType( SvXMLExport const & rExport,
                          const Reference<XPropertySet>& xType )
 {
     // we use string as default...