improve passstuffbyref return analysis

Change-Id: I4258bcc97273d8bb7a8c4879fac02a427f76e18c
Reviewed-on: https://gerrit.libreoffice.org/27317
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

4 files changed, 12 insertions, 12 deletions

diff --git a/dbaccess/source/filter/xml/xmlExport.cxx b/dbaccess/source/filter/xml/xmlExport.cxx
index a17220c2f55a..735586ad6f94 100644
--- a/dbaccess/source/filter/xml/xmlExport.cxx
+++ b/dbaccess/source/filter/xml/xmlExport.cxx
@@ -1360,7 +1360,7 @@ OUString ODBExport::implConvertAny(const Any& _rValue)
     return aBuffer.makeStringAndClear();
 }
 
-rtl::Reference < XMLPropertySetMapper > ODBExport::GetTableStylesPropertySetMapper() const
+rtl::Reference < XMLPropertySetMapper > const & ODBExport::GetTableStylesPropertySetMapper() const
 {
     if ( !m_xTableStylesPropertySetMapper.is() )
     {
@@ -1369,7 +1369,7 @@ rtl::Reference < XMLPropertySetMapper > ODBExport::GetTableStylesPropertySetMapp
     return m_xTableStylesPropertySetMapper;
 }
 
-rtl::Reference < XMLPropertySetMapper > ODBExport::GetCellStylesPropertySetMapper() const
+rtl::Reference < XMLPropertySetMapper > const & ODBExport::GetCellStylesPropertySetMapper() const
 {
     if ( !m_xCellStylesPropertySetMapper.is() )
     {
@@ -1378,7 +1378,7 @@ rtl::Reference < XMLPropertySetMapper > ODBExport::GetCellStylesPropertySetMappe
     return m_xCellStylesPropertySetMapper;
 }
 
-rtl::Reference < XMLPropertySetMapper > ODBExport::GetColumnStylesPropertySetMapper() const
+rtl::Reference < XMLPropertySetMapper > const & ODBExport::GetColumnStylesPropertySetMapper() const
 {
     if ( !m_xColumnStylesPropertySetMapper.is() )
     {
diff --git a/dbaccess/source/filter/xml/xmlExport.hxx b/dbaccess/source/filter/xml/xmlExport.hxx
index 4a25fcf2da67..3a335e2b4817 100644
--- a/dbaccess/source/filter/xml/xmlExport.hxx
+++ b/dbaccess/source/filter/xml/xmlExport.hxx
@@ -154,7 +154,7 @@ class ODBExport : public SvXMLExport
 
     static OUString         implConvertAny(const Any& _rValue);
 
-    rtl::Reference < XMLPropertySetMapper > GetTableStylesPropertySetMapper() const;
+    rtl::Reference < XMLPropertySetMapper > const & GetTableStylesPropertySetMapper() const;
 
                             ODBExport() = delete;
 protected:
@@ -183,8 +183,8 @@ public:
     static css::uno::Reference<css::uno::XInterface> SAL_CALL Create(
         css::uno::Reference<css::lang::XMultiServiceFactory> const & _rxORB);
 
-    rtl::Reference < XMLPropertySetMapper > GetColumnStylesPropertySetMapper() const;
-    rtl::Reference < XMLPropertySetMapper > GetCellStylesPropertySetMapper() const;
+    rtl::Reference < XMLPropertySetMapper > const & GetColumnStylesPropertySetMapper() const;
+    rtl::Reference < XMLPropertySetMapper > const & GetCellStylesPropertySetMapper() const;
 
     // XExporter
     virtual void SAL_CALL setSourceDocument( const css::uno::Reference< css::lang::XComponent >& xDoc ) throw(css::lang::IllegalArgumentException, css::uno::RuntimeException, std::exception) override;
diff --git a/dbaccess/source/filter/xml/xmlfilter.cxx b/dbaccess/source/filter/xml/xmlfilter.cxx
index dcc8f767116a..6608e91f3d83 100644
--- a/dbaccess/source/filter/xml/xmlfilter.cxx
+++ b/dbaccess/source/filter/xml/xmlfilter.cxx
@@ -734,7 +734,7 @@ SvXMLImportContext* ODBFilter::CreateScriptContext( const OUString& _rLocalName
 }
 
 
-rtl::Reference < XMLPropertySetMapper > ODBFilter::GetTableStylesPropertySetMapper() const
+rtl::Reference < XMLPropertySetMapper > const & ODBFilter::GetTableStylesPropertySetMapper() const
 {
     if ( !m_xTableStylesPropertySetMapper.is() )
     {
@@ -744,7 +744,7 @@ rtl::Reference < XMLPropertySetMapper > ODBFilter::GetTableStylesPropertySetMapp
 }
 
 
-rtl::Reference < XMLPropertySetMapper > ODBFilter::GetColumnStylesPropertySetMapper() const
+rtl::Reference < XMLPropertySetMapper > const & ODBFilter::GetColumnStylesPropertySetMapper() const
 {
     if ( !m_xColumnStylesPropertySetMapper.is() )
     {
@@ -754,7 +754,7 @@ rtl::Reference < XMLPropertySetMapper > ODBFilter::GetColumnStylesPropertySetMap
 }
 
 
-rtl::Reference < XMLPropertySetMapper > ODBFilter::GetCellStylesPropertySetMapper() const
+rtl::Reference < XMLPropertySetMapper > const & ODBFilter::GetCellStylesPropertySetMapper() const
 {
     if ( !m_xCellStylesPropertySetMapper.is() )
     {
diff --git a/dbaccess/source/filter/xml/xmlfilter.hxx b/dbaccess/source/filter/xml/xmlfilter.hxx
index 5db692434af9..7e47f458cdd6 100644
--- a/dbaccess/source/filter/xml/xmlfilter.hxx
+++ b/dbaccess/source/filter/xml/xmlfilter.hxx
@@ -139,9 +139,9 @@ public:
     const SvXMLTokenMap& GetQueryElemTokenMap() const;
     const SvXMLTokenMap& GetColumnElemTokenMap() const;
 
-    rtl::Reference < XMLPropertySetMapper > GetTableStylesPropertySetMapper() const;
-    rtl::Reference < XMLPropertySetMapper > GetColumnStylesPropertySetMapper() const;
-    rtl::Reference < XMLPropertySetMapper > GetCellStylesPropertySetMapper() const;
+    rtl::Reference < XMLPropertySetMapper > const & GetTableStylesPropertySetMapper() const;
+    rtl::Reference < XMLPropertySetMapper > const & GetColumnStylesPropertySetMapper() const;
+    rtl::Reference < XMLPropertySetMapper > const & GetCellStylesPropertySetMapper() const;
 
     /** add a Info to the sequence which will be appended to the data source
         @param  _rInfo The property to append.