[Libreoffice] [PATCH] Get rid of SvBytes/SvSvULongs in SwUndoDelNum

Small part of one of tasks in "easy tasks" list.

This is my first patch to LibreOffice so I'd be grateful for feedback on any 
issues.

Released under LGPLv3+/MPL

---
 sw/inc/undobj.hxx             |    4 ++--
 sw/source/core/undo/unnum.cxx |   16 ++++++----------
 2 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/sw/inc/undobj.hxx b/sw/inc/undobj.hxx
index 2252de9..e6ea274 100644
--- a/sw/inc/undobj.hxx
+++ b/sw/inc/undobj.hxx
@@ -1371,8 +1371,8 @@ public:
 
 class SwUndoDelNum : public SwUndo, private SwUndRng
 {
-    SvULongs aNodeIdx;
-    SvBytes aLevels;
+    typedef std::vector< std::pair< ULONG, int > > SvNode;
+    SvNode aNodes;
     SvBools aRstLRSpaces;
     SwHistory* pHistory;
 public:
diff --git a/sw/source/core/undo/unnum.cxx b/sw/source/core/undo/unnum.cxx
index bc2be15..d5afd1f 100644
--- a/sw/source/core/undo/unnum.cxx
+++ b/sw/source/core/undo/unnum.cxx
@@ -190,10 +190,9 @@ void SwUndoInsNum::SaveOldNumRule( const SwNumRule& rOld )
 
 
 SwUndoDelNum::SwUndoDelNum( const SwPaM& rPam )
-    : SwUndo( UNDO_DELNUM ), SwUndRng( rPam ),
-    aNodeIdx( BYTE( nEndNode - nSttNode > 255 ? 255 : nEndNode - nSttNode )),
-    aLevels( BYTE( nEndNode - nSttNode > 255 ? 255 : nEndNode - nSttNode ))
+    : SwUndo( UNDO_DELNUM ), SwUndRng( rPam )
 {
+    aNodes.reserve( nEndNode - nSttNode > 255 ? 255 : nEndNode - nSttNode );
     pHistory = new SwHistory;
 }
 
@@ -215,11 +214,11 @@ void SwUndoDelNum::Undo( SwUndoIter& rUndoIter )
     pHistory->TmpRollback( &rDoc, 0 );
     pHistory->SetTmpEnd( pHistory->Count() );
 
-    for( USHORT n = 0; n < aNodeIdx.Count(); ++n )
+    for( SvNode::const_iterator i = aNodes.begin(); i != aNodes.end(); ++i )
     {
-        SwTxtNode* pNd = rDoc.GetNodes()[ aNodeIdx[ n ] ]->GetTxtNode();
+        SwTxtNode* pNd = rDoc.GetNodes()[ i->first ]->GetTxtNode();
         OSL_ENSURE( pNd, "wo ist der TextNode geblieben?" );
-        pNd->SetAttrListLevel(aLevels[ n ] );
+        pNd->SetAttrListLevel( i->second );
 
         if( pNd->GetCondFmtColl() )
             pNd->ChkCondColl();
@@ -247,10 +246,7 @@ void SwUndoDelNum::AddNode( const SwTxtNode& rNd, BOOL )
 {
     if( rNd.GetNumRule() )
     {
-        USHORT nIns = aNodeIdx.Count();
-        aNodeIdx.Insert( rNd.GetIndex(), nIns );
-
-        aLevels.Insert( static_cast<BYTE>(rNd.GetActualListLevel()), nIns );
+        aNodes.push_back( SvNode::value_type( rNd.GetIndex(), rNd.GetActualListLevel() ) );
     }
 }