use unique_ptr in sw

Change-Id: I369ef79e88a40c01f5384e2427c3dec429ea0457
Reviewed-on: https://gerrit.libreoffice.org/66311
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/uibase/app/docsh.cxx

@@ -872,12 +872,12 @@ void SwDocShell::Draw( OutputDevice* pDev, const JobSetup& rSetup,
     // reconnect it after PrtOle2. We don't use an empty JobSetup because
     // that would only lead to questionable results after expensive
     // reformatting (Preview!)
-    JobSetup *pOrig = nullptr;
+    std::unique_ptr<JobSetup> pOrig;
     if ( !rSetup.GetPrinterName().isEmpty() && ASPECT_THUMBNAIL != nAspect )
     {
-        pOrig = const_cast<JobSetup*>(m_xDoc->getIDocumentDeviceAccess().getJobsetup());
-        if( pOrig )         // then we copy that
-            pOrig = new JobSetup( *pOrig );
+        const JobSetup* pCurrentJobSetup = m_xDoc->getIDocumentDeviceAccess().getJobsetup();
+        if( pCurrentJobSetup )         // then we copy that
+            pOrig.reset(new JobSetup( *pCurrentJobSetup ));
         m_xDoc->getIDocumentDeviceAccess().setJobsetup( rSetup );
     }
 
@@ -896,7 +896,6 @@ void SwDocShell::Draw( OutputDevice* pDev, const JobSetup& rSetup,
     if( pOrig )
     {
         m_xDoc->getIDocumentDeviceAccess().setJobsetup( *pOrig );
-        delete pOrig;
     }
     if ( bResetModified )
         EnableSetModified();

sw/source/uibase/app/docsh2.cxx

@@ -843,7 +843,7 @@ void SwDocShell::Execute(SfxRequest& rReq)
                 WriterRef xWrt;
                 // mba: looks as if relative URLs don't make sense here
                 ::GetRTFWriter( OUString('O'), OUString(), xWrt );
-                SvMemoryStream *pStrm = new SvMemoryStream();
+                std::unique_ptr<SvMemoryStream> pStrm (new SvMemoryStream());
                 pStrm->SetBufferSize( 16348 );
                 SwWriter aWrt( *pStrm, *GetDoc() );
                 ErrCode eErr = aWrt.Write( xWrt );
@@ -864,7 +864,7 @@ void SwDocShell::Execute(SfxRequest& rReq)
                         pStrm->Seek( STREAM_SEEK_TO_BEGIN );
 
                         // Transfer ownership of stream to a lockbytes object
-                        SvLockBytes aLockBytes( pStrm, true );
+                        SvLockBytes aLockBytes( pStrm.release(), true );
                         SvLockBytesStat aStat;
                         if ( aLockBytes.Stat( &aStat ) == ERRCODE_NONE )
                         {
@@ -887,7 +887,6 @@ void SwDocShell::Execute(SfxRequest& rReq)
                                     pStrm->GetData()), pStrm->GetEndOfData() );
                         pClipCntnr->CopyToClipboard(
                             GetView()? &GetView()->GetEditWin() : nullptr );
-                        delete pStrm;
                     }
                 }
                 else

sw/source/uibase/app/docstyle.cxx

@@ -1455,7 +1455,7 @@ void SwDocStyleSheet::SetItemSet( const SfxItemSet& rSet,
     }
 
     SwFormat* pFormat = nullptr;
-    SwPageDesc* pNewDsc = nullptr;
+    std::unique_ptr<SwPageDesc> pNewDsc;
     size_t nPgDscPos = 0;
 
     switch(nFamily)
@@ -1611,7 +1611,7 @@ void SwDocStyleSheet::SetItemSet( const SfxItemSet& rSet,
 
                 if (rDoc.FindPageDesc(pDesc->GetName(), &nPgDscPos))
                 {
-                    pNewDsc = new SwPageDesc( *pDesc );
+                    pNewDsc.reset( new SwPageDesc( *pDesc ) );
                     // #i48949# - no undo actions for the
                     // copy of the page style
                     ::sw::UndoGuard const ug(rDoc.GetIDocumentUndoRedo());
@@ -1696,8 +1696,8 @@ void SwDocStyleSheet::SetItemSet( const SfxItemSet& rSet,
             ::ItemSetToPageDesc( aSet, *pNewDsc );
             rDoc.ChgPageDesc( nPgDscPos, *pNewDsc );
             pDesc = &rDoc.GetPageDesc( nPgDscPos );
-            rDoc.PreDelPageDesc(pNewDsc); // #i7983#
-            delete pNewDsc;
+            rDoc.PreDelPageDesc(pNewDsc.get()); // #i7983#
+            pNewDsc.reset();
         }
         else
             rDoc.ChgFormat(*pFormat, aSet);       // put all that is set
@@ -1707,8 +1707,8 @@ void SwDocStyleSheet::SetItemSet( const SfxItemSet& rSet,
         aCoreSet.ClearItem();
         if( pNewDsc )       // we still need to delete it
         {
-            rDoc.PreDelPageDesc(pNewDsc); // #i7983#
-            delete pNewDsc;
+            rDoc.PreDelPageDesc(pNewDsc.get()); // #i7983#
+            pNewDsc.reset();
         }
     }