loplugin:constparams in oox

Change-Id: I43984b4ece82da39ca61a91fa14e4660298509dd
Reviewed-on: https://gerrit.libreoffice.org/40581
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

31 files changed, 50 insertions, 50 deletions

diff --git a/oox/inc/drawingml/chart/plotareaconverter.hxx b/oox/inc/drawingml/chart/plotareaconverter.hxx
index 07061c1cc474..895a11977ede 100644
--- a/oox/inc/drawingml/chart/plotareaconverter.hxx
+++ b/oox/inc/drawingml/chart/plotareaconverter.hxx
@@ -43,7 +43,7 @@ public:
     /** Converts the OOXML plot area model to a chart2 diagram. */
     void                convertFromModel(
                             const css::uno::Reference< css::chart2::XDiagram >& rxDiagram,
-                            TypeGroupConverter& rTypeGroup );
+                            TypeGroupConverter const & rTypeGroup );
 };
 
 
diff --git a/oox/inc/drawingml/clrschemecontext.hxx b/oox/inc/drawingml/clrschemecontext.hxx
index b16f1c25a7f6..5947b3119b93 100644
--- a/oox/inc/drawingml/clrschemecontext.hxx
+++ b/oox/inc/drawingml/clrschemecontext.hxx
@@ -30,14 +30,14 @@ namespace oox { namespace drawingml {
 class clrMapContext : public oox::core::ContextHandler2
 {
 public:
-    clrMapContext( ::oox::core::ContextHandler2Helper& rParent,
+    clrMapContext( ::oox::core::ContextHandler2Helper const & rParent,
         const ::oox::AttributeList& rAttributes, ClrMap& rClrMap );
 };
 
 class clrSchemeColorContext : private Color, public ColorContext
 {
 public:
-    clrSchemeColorContext( ::oox::core::ContextHandler2Helper& rParent, ClrScheme& rClrScheme, sal_Int32 nColorToken );
+    clrSchemeColorContext( ::oox::core::ContextHandler2Helper const & rParent, ClrScheme& rClrScheme, sal_Int32 nColorToken );
     virtual ~clrSchemeColorContext() override;
 
 private:
@@ -48,7 +48,7 @@ private:
 class clrSchemeContext : public oox::core::ContextHandler2
 {
 public:
-    clrSchemeContext( ::oox::core::ContextHandler2Helper& rParent, ClrScheme& rClrScheme );
+    clrSchemeContext( ::oox::core::ContextHandler2Helper const & rParent, ClrScheme& rClrScheme );
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
 
 private:
diff --git a/oox/inc/drawingml/colorchoicecontext.hxx b/oox/inc/drawingml/colorchoicecontext.hxx
index 86d8ae7dade7..29889f494e3d 100644
--- a/oox/inc/drawingml/colorchoicecontext.hxx
+++ b/oox/inc/drawingml/colorchoicecontext.hxx
@@ -33,7 +33,7 @@ class Color;
 class ColorValueContext : public ::oox::core::ContextHandler2
 {
 public:
-    explicit            ColorValueContext( ::oox::core::ContextHandler2Helper& rParent, Color& rColor );
+    explicit            ColorValueContext( ::oox::core::ContextHandler2Helper const & rParent, Color& rColor );
 
 
     virtual void onStartElement(
@@ -54,7 +54,7 @@ private:
 class ColorContext : public ::oox::core::ContextHandler2
 {
 public:
-    explicit            ColorContext( ::oox::core::ContextHandler2Helper& rParent, Color& rColor );
+    explicit            ColorContext( ::oox::core::ContextHandler2Helper const & rParent, Color& rColor );
 
     virtual ::oox::core::ContextHandlerRef
                         onCreateContext(
diff --git a/oox/inc/drawingml/customshapegeometry.hxx b/oox/inc/drawingml/customshapegeometry.hxx
index a8a97c0882ad..ad447354fd77 100644
--- a/oox/inc/drawingml/customshapegeometry.hxx
+++ b/oox/inc/drawingml/customshapegeometry.hxx
@@ -32,7 +32,7 @@ namespace oox { namespace drawingml {
 class CustomShapeGeometryContext : public ::oox::core::ContextHandler2
 {
 public:
-    CustomShapeGeometryContext( ::oox::core::ContextHandler2Helper& rParent, CustomShapeProperties& rCustomShapeProperties );
+    CustomShapeGeometryContext( ::oox::core::ContextHandler2Helper const & rParent, CustomShapeProperties& rCustomShapeProperties );
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 aElementToken, const ::oox::AttributeList& rAttribs ) override;
 
 private:
@@ -44,7 +44,7 @@ private:
 class PresetShapeGeometryContext : public ::oox::core::ContextHandler2
 {
 public:
-    PresetShapeGeometryContext( ::oox::core::ContextHandler2Helper& rParent, const ::oox::AttributeList& rAttributes, CustomShapeProperties& rCustomShapeProperties );
+    PresetShapeGeometryContext( ::oox::core::ContextHandler2Helper const & rParent, const ::oox::AttributeList& rAttributes, CustomShapeProperties& rCustomShapeProperties );
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 aElementToken, const ::oox::AttributeList& rAttribs ) override;
 
 private:
@@ -56,7 +56,7 @@ private:
 class PresetTextShapeContext : public ::oox::core::ContextHandler2
 {
 public:
-    PresetTextShapeContext( ::oox::core::ContextHandler2Helper& rParent, const ::oox::AttributeList& rAttributes, CustomShapeProperties& rCustomShapeProperties );
+    PresetTextShapeContext( ::oox::core::ContextHandler2Helper const & rParent, const ::oox::AttributeList& rAttributes, CustomShapeProperties& rCustomShapeProperties );
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 aElementToken, const ::oox::AttributeList& rAttribs ) override;
 
 private:
diff --git a/oox/inc/drawingml/diagram/diagram.hxx b/oox/inc/drawingml/diagram/diagram.hxx
index 05a4a5dffb9e..5277d98d2dee 100644
--- a/oox/inc/drawingml/diagram/diagram.hxx
+++ b/oox/inc/drawingml/diagram/diagram.hxx
@@ -34,7 +34,7 @@ namespace oox { namespace drawingml {
     generate and layout the shapes, and push it as children into the
     referenced shape.
  */
-void loadDiagram( ShapePtr& pShape,
+void loadDiagram( ShapePtr const & pShape,
                   core::XmlFilterBase& rFilter,
                   const OUString& rDataModelPath,
                   const OUString& rLayoutPath,
diff --git a/oox/inc/drawingml/guidcontext.hxx b/oox/inc/drawingml/guidcontext.hxx
index f43b0906af7d..d3b1aba2e05b 100644
--- a/oox/inc/drawingml/guidcontext.hxx
+++ b/oox/inc/drawingml/guidcontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml {
     {
 
     public:
-        GuidContext( ::oox::core::ContextHandler2Helper& rParent, OUString& rGuidId );
+        GuidContext( ::oox::core::ContextHandler2Helper const & rParent, OUString& rGuidId );
         virtual void onCharacters( const OUString& aChars ) override;
 
     private:
diff --git a/oox/inc/drawingml/linepropertiescontext.hxx b/oox/inc/drawingml/linepropertiescontext.hxx
index 950a7edf7926..5b33cdc28259 100644
--- a/oox/inc/drawingml/linepropertiescontext.hxx
+++ b/oox/inc/drawingml/linepropertiescontext.hxx
@@ -30,7 +30,7 @@ struct LineProperties;
 class LinePropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
-    LinePropertiesContext( ::oox::core::ContextHandler2Helper& rParent,
+    LinePropertiesContext( ::oox::core::ContextHandler2Helper const & rParent,
             const ::oox::AttributeList& rAttributes,
             LineProperties& rLineProperties ) throw();
     virtual ~LinePropertiesContext() override;
diff --git a/oox/inc/drawingml/misccontexts.hxx b/oox/inc/drawingml/misccontexts.hxx
index 4c26599a9787..00c3c9a7d0dd 100644
--- a/oox/inc/drawingml/misccontexts.hxx
+++ b/oox/inc/drawingml/misccontexts.hxx
@@ -33,7 +33,7 @@ class SolidFillContext : public ColorContext
 {
 public:
     explicit            SolidFillContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             FillProperties& rFillProps );
 };
 
@@ -43,7 +43,7 @@ class GradientFillContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            GradientFillContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             const ::oox::AttributeList& rAttribs,
                             GradientFillProperties& rGradientProps );
 
@@ -61,7 +61,7 @@ class PatternFillContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            PatternFillContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             const ::oox::AttributeList& rAttribs,
                             PatternFillProperties& rPatternProps );
 
@@ -81,7 +81,7 @@ class ArtisticEffectContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            ArtisticEffectContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             ArtisticEffectProperties& rEffect );
     virtual             ~ArtisticEffectContext() override;
 
@@ -101,7 +101,7 @@ class BlipExtensionContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            BlipExtensionContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             BlipFillProperties& rBlipProps );
     virtual             ~BlipExtensionContext() override;
 
@@ -121,7 +121,7 @@ class DuotoneContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            DuotoneContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             BlipFillProperties& rBlipProps );
     virtual             ~DuotoneContext() override;
 
@@ -142,7 +142,7 @@ class ColorChangeContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            ColorChangeContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             const ::oox::AttributeList& rAttribs,
                             BlipFillProperties& rBlipProps );
     virtual             ~ColorChangeContext() override;
@@ -163,7 +163,7 @@ class BlipContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            BlipContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             const ::oox::AttributeList& rAttribs,
                             BlipFillProperties& rBlipProps );
 
@@ -181,7 +181,7 @@ class BlipFillContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            BlipFillContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             const ::oox::AttributeList& rAttribs,
                             BlipFillProperties& rBlipProps );
 
@@ -200,7 +200,7 @@ class FillPropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
     explicit            FillPropertiesContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             FillProperties& rFillProps );
 
     virtual ::oox::core::ContextHandlerRef
@@ -210,7 +210,7 @@ public:
 
     static ::oox::core::ContextHandlerRef
                         createFillContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             sal_Int32 nElement,
                             const ::oox::AttributeList& rAttribs,
                             FillProperties& rFillProps );
@@ -230,7 +230,7 @@ class SimpleFillPropertiesContext : private FillProperties, public FillPropertie
 {
 public:
     explicit            SimpleFillPropertiesContext(
-                            ::oox::core::ContextHandler2Helper& rParent,
+                            ::oox::core::ContextHandler2Helper const & rParent,
                             Color& rColor );
     virtual             ~SimpleFillPropertiesContext() override;
 
diff --git a/oox/inc/drawingml/objectdefaultcontext.hxx b/oox/inc/drawingml/objectdefaultcontext.hxx
index f08092b4e6c2..bfc55842a053 100644
--- a/oox/inc/drawingml/objectdefaultcontext.hxx
+++ b/oox/inc/drawingml/objectdefaultcontext.hxx
@@ -29,7 +29,7 @@ class Theme;
 class objectDefaultContext : public oox::core::ContextHandler2
 {
 public:
-    objectDefaultContext( ::oox::core::ContextHandler2Helper& rParent, Theme& rTheme );
+    objectDefaultContext( ::oox::core::ContextHandler2Helper const & rParent, Theme& rTheme );
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
 
 protected:
diff --git a/oox/inc/drawingml/scene3dcontext.hxx b/oox/inc/drawingml/scene3dcontext.hxx
index cfcb042bd262..6377062f62eb 100644
--- a/oox/inc/drawingml/scene3dcontext.hxx
+++ b/oox/inc/drawingml/scene3dcontext.hxx
@@ -30,7 +30,7 @@ struct Shape3DProperties;
 class Scene3DRotationPropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
-    Scene3DRotationPropertiesContext( ::oox::core::ContextHandler2Helper& rParent, RotationProperties& rRotationProperties ) throw();
+    Scene3DRotationPropertiesContext( ::oox::core::ContextHandler2Helper const & rParent, RotationProperties& rRotationProperties ) throw();
 
     ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
 
@@ -41,7 +41,7 @@ private:
 class Scene3DPropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
-    Scene3DPropertiesContext( ::oox::core::ContextHandler2Helper& rParent, Shape3DProperties& r3DProperties ) throw();
+    Scene3DPropertiesContext( ::oox::core::ContextHandler2Helper const & rParent, Shape3DProperties& r3DProperties ) throw();
 
     ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
 
@@ -52,7 +52,7 @@ private:
 class Shape3DPropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
-    Shape3DPropertiesContext( ::oox::core::ContextHandler2Helper& rParent, const ::oox::AttributeList& rAttribs, Shape3DProperties& r3DProperties ) throw();
+    Shape3DPropertiesContext( ::oox::core::ContextHandler2Helper const & rParent, const ::oox::AttributeList& rAttribs, Shape3DProperties& r3DProperties ) throw();
 
     ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
 
diff --git a/oox/inc/drawingml/shapepropertiescontext.hxx b/oox/inc/drawingml/shapepropertiescontext.hxx
index d401aa7aca08..5d1e41ccabed 100644
--- a/oox/inc/drawingml/shapepropertiescontext.hxx
+++ b/oox/inc/drawingml/shapepropertiescontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml {
 class ShapePropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
-    ShapePropertiesContext( ::oox::core::ContextHandler2Helper& rParent, Shape& rShape );
+    ShapePropertiesContext( ::oox::core::ContextHandler2Helper const & rParent, Shape& rShape );
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
 
diff --git a/oox/inc/drawingml/shapestylecontext.hxx b/oox/inc/drawingml/shapestylecontext.hxx
index 693d9bcdbfdc..fe4851a38392 100644
--- a/oox/inc/drawingml/shapestylecontext.hxx
+++ b/oox/inc/drawingml/shapestylecontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml {
 class ShapeStyleContext : public ::oox::core::ContextHandler2
 {
 public:
-    ShapeStyleContext( ::oox::core::ContextHandler2Helper& rParent, Shape& rShape );
+    ShapeStyleContext( ::oox::core::ContextHandler2Helper const & rParent, Shape& rShape );
     virtual ~ShapeStyleContext() override;
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
diff --git a/oox/inc/drawingml/spdefcontext.hxx b/oox/inc/drawingml/spdefcontext.hxx
index 18785b9820b0..9d7e45839fec 100644
--- a/oox/inc/drawingml/spdefcontext.hxx
+++ b/oox/inc/drawingml/spdefcontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml {
 class spDefContext : public oox::core::ContextHandler2
 {
 public:
-    spDefContext( ::oox::core::ContextHandler2Helper& rParent, Shape& rDefaultObject );
+    spDefContext( ::oox::core::ContextHandler2Helper const & rParent, Shape& rDefaultObject );
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
 
 protected:
diff --git a/oox/inc/drawingml/table/tablebackgroundstylecontext.hxx b/oox/inc/drawingml/table/tablebackgroundstylecontext.hxx
index dda5376e0b64..9eb401acbd40 100644
--- a/oox/inc/drawingml/table/tablebackgroundstylecontext.hxx
+++ b/oox/inc/drawingml/table/tablebackgroundstylecontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml { namespace table {
 class TableBackgroundStyleContext : public ::oox::core::ContextHandler2
 {
 public:
-    TableBackgroundStyleContext( ::oox::core::ContextHandler2Helper& rParent, TableStyle& rTableStyle );
+    TableBackgroundStyleContext( ::oox::core::ContextHandler2Helper const & rParent, TableStyle& rTableStyle );
     virtual ~TableBackgroundStyleContext() override;
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
diff --git a/oox/inc/drawingml/table/tablecellcontext.hxx b/oox/inc/drawingml/table/tablecellcontext.hxx
index 320c3ffd1805..f0bd393e9e7c 100644
--- a/oox/inc/drawingml/table/tablecellcontext.hxx
+++ b/oox/inc/drawingml/table/tablecellcontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml { namespace table {
 class TableCellContext : public ::oox::core::ContextHandler2
 {
 public:
-    TableCellContext( ::oox::core::ContextHandler2Helper& rParent,
+    TableCellContext( ::oox::core::ContextHandler2Helper const & rParent,
         const ::oox::AttributeList& rAttribs, TableCell& rTableCell );
     virtual ~TableCellContext() override;
 
diff --git a/oox/inc/drawingml/table/tablecontext.hxx b/oox/inc/drawingml/table/tablecontext.hxx
index 4157347e73ce..bb69e2f37843 100644
--- a/oox/inc/drawingml/table/tablecontext.hxx
+++ b/oox/inc/drawingml/table/tablecontext.hxx
@@ -29,7 +29,7 @@ class TableProperties;
 class TableContext : public ShapeContext
 {
 public:
-    TableContext( ::oox::core::ContextHandler2Helper& rParent, const ShapePtr& pShapePtr );
+    TableContext( ::oox::core::ContextHandler2Helper const & rParent, const ShapePtr& pShapePtr );
     virtual ~TableContext() override;
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
diff --git a/oox/inc/drawingml/table/tablepartstylecontext.hxx b/oox/inc/drawingml/table/tablepartstylecontext.hxx
index 2a734d4d4ae5..a450f39d5ef7 100644
--- a/oox/inc/drawingml/table/tablepartstylecontext.hxx
+++ b/oox/inc/drawingml/table/tablepartstylecontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml { namespace table {
 class TablePartStyleContext : public ::oox::core::ContextHandler2
 {
 public:
-    TablePartStyleContext( ::oox::core::ContextHandler2Helper& rParent, TableStylePart& rTableStylePart );
+    TablePartStyleContext( ::oox::core::ContextHandler2Helper const & rParent, TableStylePart& rTableStylePart );
     virtual ~TablePartStyleContext() override;
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
diff --git a/oox/inc/drawingml/table/tablerowcontext.hxx b/oox/inc/drawingml/table/tablerowcontext.hxx
index 129ff78d8b0c..2c0098313b34 100644
--- a/oox/inc/drawingml/table/tablerowcontext.hxx
+++ b/oox/inc/drawingml/table/tablerowcontext.hxx
@@ -29,7 +29,7 @@ class TableRow;
 class TableRowContext : public ::oox::core::ContextHandler2
 {
 public:
-    TableRowContext( ::oox::core::ContextHandler2Helper& rParent,
+    TableRowContext( ::oox::core::ContextHandler2Helper const & rParent,
                      const ::oox::AttributeList& rAttribs, TableRow& rTableRow );
     virtual ~TableRowContext() override;
 
diff --git a/oox/inc/drawingml/table/tablestylecellstylecontext.hxx b/oox/inc/drawingml/table/tablestylecellstylecontext.hxx
index 5bce17c37397..686d26788349 100644
--- a/oox/inc/drawingml/table/tablestylecellstylecontext.hxx
+++ b/oox/inc/drawingml/table/tablestylecellstylecontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml { namespace table {
 class TableStyleCellStyleContext : public ::oox::core::ContextHandler2
 {
 public:
-    TableStyleCellStyleContext( ::oox::core::ContextHandler2Helper& rParent, TableStylePart& rTableStylePart );
+    TableStyleCellStyleContext( ::oox::core::ContextHandler2Helper const & rParent, TableStylePart& rTableStylePart );
     virtual ~TableStyleCellStyleContext() override;
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
diff --git a/oox/inc/drawingml/table/tablestylecontext.hxx b/oox/inc/drawingml/table/tablestylecontext.hxx
index 72f747c04e5f..58af37dc7dcd 100644
--- a/oox/inc/drawingml/table/tablestylecontext.hxx
+++ b/oox/inc/drawingml/table/tablestylecontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml { namespace table {
 class TableStyleContext : public ::oox::core::ContextHandler2
 {
 public:
-    TableStyleContext( ::oox::core::ContextHandler2Helper& rParent,
+    TableStyleContext( ::oox::core::ContextHandler2Helper const & rParent,
             const ::oox::AttributeList& rAttribs,
             TableStyle& rTableStyle );
     virtual ~TableStyleContext() override;
diff --git a/oox/inc/drawingml/table/tablestyletextstylecontext.hxx b/oox/inc/drawingml/table/tablestyletextstylecontext.hxx
index 9bef38329848..28a56f88c840 100644
--- a/oox/inc/drawingml/table/tablestyletextstylecontext.hxx
+++ b/oox/inc/drawingml/table/tablestyletextstylecontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml { namespace table {
 class TableStyleTextStyleContext : public ::oox::core::ContextHandler2
 {
 public:
-    TableStyleTextStyleContext( ::oox::core::ContextHandler2Helper& rParent,
+    TableStyleTextStyleContext( ::oox::core::ContextHandler2Helper const & rParent,
             const ::oox::AttributeList& rAttribs,
             TableStylePart& rTableStylePart );
     virtual ~TableStyleTextStyleContext() override;
diff --git a/oox/inc/drawingml/textbodycontext.hxx b/oox/inc/drawingml/textbodycontext.hxx
index faa222e733cd..ad1bac8c47a0 100644
--- a/oox/inc/drawingml/textbodycontext.hxx
+++ b/oox/inc/drawingml/textbodycontext.hxx
@@ -31,7 +31,7 @@ namespace oox { namespace drawingml {
 class TextBodyContext : public ::oox::core::ContextHandler2
 {
 public:
-    TextBodyContext( ::oox::core::ContextHandler2Helper& rParent, TextBody& rTextBody );
+    TextBodyContext( ::oox::core::ContextHandler2Helper const & rParent, TextBody& rTextBody );
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
 
@@ -43,7 +43,7 @@ protected:
 class RegularTextRunContext : public ::oox::core::ContextHandler2
 {
 public:
-    RegularTextRunContext( ::oox::core::ContextHandler2Helper& rParent, TextRunPtr const & pRunPtr );
+    RegularTextRunContext( ::oox::core::ContextHandler2Helper const & rParent, TextRunPtr const & pRunPtr );
 
     virtual void onEndElement() override;
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
diff --git a/oox/inc/drawingml/textbodypropertiescontext.hxx b/oox/inc/drawingml/textbodypropertiescontext.hxx
index 069edd2be2f9..7ca81ac45cb4 100644
--- a/oox/inc/drawingml/textbodypropertiescontext.hxx
+++ b/oox/inc/drawingml/textbodypropertiescontext.hxx
@@ -29,7 +29,7 @@ struct TextBodyProperties;
 class TextBodyPropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
-    TextBodyPropertiesContext( ::oox::core::ContextHandler2Helper& rParent,
+    TextBodyPropertiesContext( ::oox::core::ContextHandler2Helper const & rParent,
              const ::oox::AttributeList& rAttributes,
              TextBodyProperties& rTextBodyProp );
 
diff --git a/oox/inc/drawingml/textcharacterpropertiescontext.hxx b/oox/inc/drawingml/textcharacterpropertiescontext.hxx
index 716b4f097a86..c07c1fee24c6 100644
--- a/oox/inc/drawingml/textcharacterpropertiescontext.hxx
+++ b/oox/inc/drawingml/textcharacterpropertiescontext.hxx
@@ -29,7 +29,7 @@ struct TextCharacterProperties;
 class TextCharacterPropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
-    TextCharacterPropertiesContext( ::oox::core::ContextHandler2Helper& rParent,
+    TextCharacterPropertiesContext( ::oox::core::ContextHandler2Helper const & rParent,
             const ::oox::AttributeList& rAttribs,
             TextCharacterProperties& rTextCharacterProperties );
     virtual ~TextCharacterPropertiesContext() override;
diff --git a/oox/inc/drawingml/texteffectscontext.hxx b/oox/inc/drawingml/texteffectscontext.hxx
index 75d96bae9888..853d9dff57ef 100644
--- a/oox/inc/drawingml/texteffectscontext.hxx
+++ b/oox/inc/drawingml/texteffectscontext.hxx
@@ -23,7 +23,7 @@ namespace oox { namespace drawingml {
 class TextEffectsContext : public oox::core::ContextHandler2
 {
 public:
-    TextEffectsContext(oox::core::ContextHandler2Helper& rParent,
+    TextEffectsContext(oox::core::ContextHandler2Helper const & rParent,
                        sal_Int32 aElementToken,
                        std::vector<css::beans::PropertyValue>& rTextEffectsProperties);
     virtual ~TextEffectsContext() override;
diff --git a/oox/inc/drawingml/textfieldcontext.hxx b/oox/inc/drawingml/textfieldcontext.hxx
index 7f1efefd65d1..43bb17ee9c27 100644
--- a/oox/inc/drawingml/textfieldcontext.hxx
+++ b/oox/inc/drawingml/textfieldcontext.hxx
@@ -30,7 +30,7 @@ class TextFieldContext
     : public ::oox::core::ContextHandler2
 {
 public:
-    TextFieldContext( ::oox::core::ContextHandler2Helper& rParent,
+    TextFieldContext( ::oox::core::ContextHandler2Helper const & rParent,
                         const ::oox::AttributeList& rAttributes,
                         TextField& rTextField);
     virtual void onEndElement( ) override;
diff --git a/oox/inc/drawingml/textliststylecontext.hxx b/oox/inc/drawingml/textliststylecontext.hxx
index a48161410e81..736157030af8 100644
--- a/oox/inc/drawingml/textliststylecontext.hxx
+++ b/oox/inc/drawingml/textliststylecontext.hxx
@@ -28,7 +28,7 @@ namespace oox { namespace drawingml {
 class TextListStyleContext : public ::oox::core::ContextHandler2
 {
 public:
-    TextListStyleContext( ::oox::core::ContextHandler2Helper& rParent, TextListStyle& rTextListStyle );
+    TextListStyleContext( ::oox::core::ContextHandler2Helper const & rParent, TextListStyle& rTextListStyle );
     virtual ~TextListStyleContext() override;
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;
diff --git a/oox/inc/drawingml/textparagraphproperties.hxx b/oox/inc/drawingml/textparagraphproperties.hxx
index c85a4f84905b..cac6d64f0447 100644
--- a/oox/inc/drawingml/textparagraphproperties.hxx
+++ b/oox/inc/drawingml/textparagraphproperties.hxx
@@ -58,7 +58,7 @@ public:
     void setBulletSize(sal_Int16 nSize);
     void setFontSize(sal_Int16 nSize);
     void setStyleName( const OUString& rStyleName ) { maStyleName <<= rStyleName; }
-    void setGraphic( css::uno::Reference< css::graphic::XGraphic >& rXGraphic );
+    void setGraphic( css::uno::Reference< css::graphic::XGraphic > const & rXGraphic );
 
     std::shared_ptr< ::oox::drawingml::Color > maBulletColorPtr;
     css::uno::Any               mbBulletColorFollowText;
diff --git a/oox/inc/drawingml/textparagraphpropertiescontext.hxx b/oox/inc/drawingml/textparagraphpropertiescontext.hxx
index ba3fe098db1b..b16ba562e550 100644
--- a/oox/inc/drawingml/textparagraphpropertiescontext.hxx
+++ b/oox/inc/drawingml/textparagraphpropertiescontext.hxx
@@ -33,7 +33,7 @@ namespace oox { namespace drawingml {
 class TextParagraphPropertiesContext : public ::oox::core::ContextHandler2
 {
 public:
-    TextParagraphPropertiesContext( ::oox::core::ContextHandler2Helper& rParent,
+    TextParagraphPropertiesContext( ::oox::core::ContextHandler2Helper const & rParent,
             const ::oox::AttributeList& rAttributes,
             TextParagraphProperties& rTextParagraphProperties );
     virtual ~TextParagraphPropertiesContext() override;
diff --git a/oox/inc/drawingml/themeelementscontext.hxx b/oox/inc/drawingml/themeelementscontext.hxx
index b806862efd60..f0116efc5988 100644
--- a/oox/inc/drawingml/themeelementscontext.hxx
+++ b/oox/inc/drawingml/themeelementscontext.hxx
@@ -30,7 +30,7 @@ class Theme;
 class ThemeElementsContext : public oox::core::ContextHandler2
 {
 public:
-    ThemeElementsContext( ::oox::core::ContextHandler2Helper& rParent, Theme& rTheme );
+    ThemeElementsContext( ::oox::core::ContextHandler2Helper const & rParent, Theme& rTheme );
     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement,
         const ::oox::AttributeList& rAttribs ) override;
 
diff --git a/oox/inc/drawingml/transform2dcontext.hxx b/oox/inc/drawingml/transform2dcontext.hxx
index faba2789db99..df502d341484 100644
--- a/oox/inc/drawingml/transform2dcontext.hxx
+++ b/oox/inc/drawingml/transform2dcontext.hxx
@@ -31,7 +31,7 @@ class Shape;
 class Transform2DContext : public ::oox::core::ContextHandler2
 {
 public:
-    Transform2DContext( ::oox::core::ContextHandler2Helper& rParent,
+    Transform2DContext( ::oox::core::ContextHandler2Helper const & rParent,
                         const ::oox::AttributeList& rAttributes, Shape& rShape, bool btxXfrm = false ) throw();
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;