tdf#119007 Crash when paste table from web

regression from
    commit 51003378
    loplugin:useuniqueptr in ScHTMLLayoutParser

Change-Id: I3c6f04ac2c8f188856ec4c9eb6bf520fa03ee97a
Reviewed-on: https://gerrit.libreoffice.org/58480
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sc/source/filter/html/htmlpars.cxx

@@ -226,12 +226,7 @@ ScHTMLLayoutParser::ScHTMLLayoutParser(
 ScHTMLLayoutParser::~ScHTMLLayoutParser()
 {
     while ( !aTableStack.empty() )
-    {
-        ScHTMLTableStackEntry* pS = aTableStack.top().get();
-        if ( pS->pLocalColOffset != pLocalColOffset.get() )
-            delete pS->pLocalColOffset;
         aTableStack.pop();
-    }
     pLocalColOffset.reset();
     if ( pTables )
     {
@@ -1032,7 +1027,7 @@ void ScHTMLLayoutParser::TableOn( HtmlImportInfo* pInfo )
         sal_uInt16 nTmpColOffset = nColOffset; // Will be changed in Colonize()
         Colonize(mxActEntry.get());
         aTableStack.push( o3tl::make_unique<ScHTMLTableStackEntry>(
-            mxActEntry, xLockedList, pLocalColOffset.get(), nFirstTableCell,
+            mxActEntry, xLockedList, std::move(pLocalColOffset), nFirstTableCell,
             nRowCnt, nColCntStart, nMaxCol, nTable,
             nTableWidth, nColOffset, nColOffsetStart,
             bFirstRow ) );
@@ -1088,7 +1083,7 @@ void ScHTMLLayoutParser::TableOn( HtmlImportInfo* pInfo )
             NextRow( pInfo );
         }
         aTableStack.push( o3tl::make_unique<ScHTMLTableStackEntry>(
-            mxActEntry, xLockedList, pLocalColOffset.get(), nFirstTableCell,
+            mxActEntry, xLockedList, std::move(pLocalColOffset), nFirstTableCell,
             nRowCnt, nColCntStart, nMaxCol, nTable,
             nTableWidth, nColOffset, nColOffsetStart,
             bFirstRow ) );
@@ -1238,7 +1233,7 @@ void ScHTMLLayoutParser::TableOff( const HtmlImportInfo* pInfo )
             {
                 sal_uInt16 nOldOffset = pE->nOffset + pE->nWidth;
                 sal_uInt16 nNewOffset = pE->nOffset + nTableWidth;
-                ModifyOffset( pS->pLocalColOffset, nOldOffset, nNewOffset, nOffsetTolerance );
+                ModifyOffset( pS->pLocalColOffset.get(), nOldOffset, nNewOffset, nOffsetTolerance );
                 sal_uInt16 nTmp = nNewOffset - pE->nOffset - pE->nWidth;
                 pE->nWidth = nNewOffset - pE->nOffset;
                 pS->nTableWidth = pS->nTableWidth + nTmp;
@@ -1257,7 +1252,7 @@ void ScHTMLLayoutParser::TableOff( const HtmlImportInfo* pInfo )
             nColOffsetStart = pS->nColOffsetStart;
             bFirstRow = pS->bFirstRow;
             xLockedList = pS->xLockedList;
-            pLocalColOffset.reset( pS->pLocalColOffset );
+            pLocalColOffset = std::move( pS->pLocalColOffset );
             // mxActEntry is kept around if a table is started in the same row
             // (anything's possible in HTML); will be deleted by CloseEntry
             mxActEntry = pE;
@@ -1274,7 +1269,7 @@ void ScHTMLLayoutParser::TableOff( const HtmlImportInfo* pInfo )
         {
             std::unique_ptr<ScHTMLTableStackEntry> pS = std::move(aTableStack.top());
             aTableStack.pop();
-            pLocalColOffset.reset( pS->pLocalColOffset );
+            pLocalColOffset = std::move( pS->pLocalColOffset );
         }
     }
 }

sc/source/filter/inc/htmlpars.hxx

@@ -99,7 +99,7 @@ struct ScHTMLTableStackEntry
 {
     ScRangeListRef      xLockedList;
     std::shared_ptr<ScEEParseEntry> xCellEntry;
-    ScHTMLColOffset*    pLocalColOffset;
+    std::unique_ptr<ScHTMLColOffset> pLocalColOffset;
     sal_uLong           nFirstTableCell;
     SCROW               nRowCnt;
     SCCOL               nColCntStart;
@@ -110,14 +110,14 @@ struct ScHTMLTableStackEntry
     sal_uInt16          nColOffsetStart;
     bool                bFirstRow;
                         ScHTMLTableStackEntry( const std::shared_ptr<ScEEParseEntry>& rE,
-                                const ScRangeListRef& rL, ScHTMLColOffset* pTO,
+                                const ScRangeListRef& rL, std::unique_ptr<ScHTMLColOffset> pTO,
                                 sal_uLong nFTC,
                                 SCROW nRow,
                                 SCCOL nStart, SCCOL nMax, sal_uInt16 nTab,
                                 sal_uInt16 nTW, sal_uInt16 nCO, sal_uInt16 nCOS,
                                 bool bFR )
                             : xLockedList( rL ), xCellEntry(rE),
-                            pLocalColOffset( pTO ),
+                            pLocalColOffset( std::move(pTO) ),
                             nFirstTableCell( nFTC ),
                             nRowCnt( nRow ),
                             nColCntStart( nStart ), nMaxCol( nMax ),