use std::unique_ptr in SwDocUpdateField

Change-Id: I9d6eba5e2714a29fd3a2ad301298ad8590a4af36
Reviewed-on: https://gerrit.libreoffice.org/43549
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

2 files changed, 12 insertions, 20 deletions

diff --git a/sw/source/core/doc/docfld.cxx b/sw/source/core/doc/docfld.cxx
index dcbc666ccfde..90c44f70ab60 100644
--- a/sw/source/core/doc/docfld.cxx
+++ b/sw/source/core/doc/docfld.cxx
@@ -776,7 +776,7 @@ void SwDocUpdateField::InsDelFieldInFieldLst( bool bIns, const SwTextField& rFie
     {
         if( !bIns )             // if list is present and deleted
             return;             // don't do a thing
-        pFieldSortLst = new SetGetExpFields;
+        pFieldSortLst.reset(new SetGetExpFields);
     }
 
     if( bIns )      // insert anew:
@@ -805,8 +805,7 @@ void SwDocUpdateField::MakeFieldList( SwDoc& rDoc, bool bAll, int eGetMode )
 void SwDocUpdateField::MakeFieldList_( SwDoc& rDoc, int eGetMode )
 {
     // new version: walk all fields of the attribute pool
-    delete pFieldSortLst;
-    pFieldSortLst = new SetGetExpFields;
+    pFieldSortLst.reset(new SetGetExpFields);
 
     // consider and unhide sections
     //     with hide condition, only in mode GETFLD_ALL (<eGetMode == GETFLD_ALL>)
@@ -1104,8 +1103,8 @@ void SwDocUpdateField::InsertFieldType( const SwFieldType& rType )
         if( !pFnd )
         {
             SwCalcFieldType* pNew = new SwCalcFieldType( sFieldName, &rType );
-            pNew->pNext.reset( aFieldTypeTable[ n ] );
-            aFieldTypeTable[ n ] = pNew;
+            pNew->pNext.reset( aFieldTypeTable[ n ].release() );
+            aFieldTypeTable[ n ].reset(pNew);
         }
     }
 }
@@ -1134,14 +1133,13 @@ void SwDocUpdateField::RemoveFieldType( const SwFieldType& rType )
         SwHash* pFnd = Find( sFieldName, GetFieldTypeTable(), TBLSZ, &n );
         if( pFnd )
         {
-            if( aFieldTypeTable[ n ] == pFnd )
+            if( aFieldTypeTable[ n ].get() == pFnd )
             {
-                aFieldTypeTable[ n ] = static_cast<SwCalcFieldType*>(pFnd->pNext.release());
-                delete pFnd;
+                aFieldTypeTable[ n ].reset(static_cast<SwCalcFieldType*>(pFnd->pNext.release()));
             }
             else
             {
-                SwHash* pPrev = aFieldTypeTable[ n ];
+                SwHash* pPrev = aFieldTypeTable[ n ].get();
                 while( pPrev->pNext.get() != pFnd )
                     pPrev = pPrev->pNext.get();
                 pPrev->pNext = std::move(pFnd->pNext);
@@ -1152,23 +1150,16 @@ void SwDocUpdateField::RemoveFieldType( const SwFieldType& rType )
 }
 
 SwDocUpdateField::SwDocUpdateField(SwDoc* pDoc)
-    : pFieldSortLst(nullptr)
-    , nNodes(0)
+    : nNodes(0)
     , nFieldLstGetMode(0)
     , pDocument(pDoc)
     , bInUpdateFields(false)
     , bFieldsDirty(false)
-
 {
-    memset( aFieldTypeTable, 0, sizeof( aFieldTypeTable ) );
 }
 
 SwDocUpdateField::~SwDocUpdateField()
 {
-    delete pFieldSortLst;
-
-    for(SwCalcFieldType* p : aFieldTypeTable)
-        delete p;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/core/inc/docfld.hxx b/sw/source/core/inc/docfld.hxx
index 5410ed76f52a..9979d557a8ee 100644
--- a/sw/source/core/inc/docfld.hxx
+++ b/sw/source/core/inc/docfld.hxx
@@ -24,6 +24,7 @@
 #include <doc.hxx>
 #include <IDocumentTimerAccess.hxx>
 #include <o3tl/sorted_vector.hxx>
+#include <memory>
 
 class SwTextField;
 class SwIndex;
@@ -131,8 +132,8 @@ const int GETFLD_EXPAND     = 2;
 
 class SwDocUpdateField
 {
-    SetGetExpFields* pFieldSortLst;    // current field list for calculation
-    SwCalcFieldType*  aFieldTypeTable[ TBLSZ ];
+    std::unique_ptr<SetGetExpFields> pFieldSortLst;    // current field list for calculation
+    std::unique_ptr<SwCalcFieldType> aFieldTypeTable[ TBLSZ ];
 
     sal_uLong nNodes;               // if the node count is different
     sal_uInt8 nFieldLstGetMode;
@@ -149,7 +150,7 @@ public:
     SwDocUpdateField(SwDoc* pDocument);
     ~SwDocUpdateField();
 
-    const SetGetExpFields* GetSortLst() const { return pFieldSortLst; }
+    const SetGetExpFields* GetSortLst() const { return pFieldSortLst.get(); }
 
     void MakeFieldList( SwDoc& rDoc, bool bAll, int eGetMode );