loplugin:useuniqueptr in XMLEventImportHelper

Change-Id: I44e6e1fdb49f4392b22745581205b840b8a8af49
Reviewed-on: https://gerrit.libreoffice.org/60617
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

xmloff/inc/XMLEventImportHelper.hxx

@@ -35,7 +35,7 @@ class XMLEventContextFactory;
 class XMLEventsImportContext;
 struct XMLEventNameTranslation;
 
-typedef ::std::map< OUString, XMLEventContextFactory* > FactoryMap;
+typedef ::std::map< OUString, std::unique_ptr<XMLEventContextFactory> > FactoryMap;
 typedef ::std::map< XMLEventName, OUString > NameMap;
 
 
@@ -70,7 +70,7 @@ public:
 
     /// register a handler for a particular language type
     void RegisterFactory( const OUString& rLanguage,
-                          XMLEventContextFactory* aFactory );
+                          std::unique_ptr<XMLEventContextFactory> aFactory );
 
     /// add event name translation to the internal table
     void AddTranslationTable( const XMLEventNameTranslation* pTransTable );

xmloff/source/core/xmlimp.cxx

@@ -1594,15 +1594,15 @@ XMLEventImportHelper& SvXMLImport::GetEventImport()
         mpEventImportHelper = o3tl::make_unique<XMLEventImportHelper>();
         const OUString& sStarBasic(GetXMLToken(XML_STARBASIC));
         mpEventImportHelper->RegisterFactory(sStarBasic,
-                                            new XMLStarBasicContextFactory());
+                                            o3tl::make_unique<XMLStarBasicContextFactory>());
         const OUString& sScript(GetXMLToken(XML_SCRIPT));
         mpEventImportHelper->RegisterFactory(sScript,
-                                            new XMLScriptContextFactory());
+                                            o3tl::make_unique<XMLScriptContextFactory>());
         mpEventImportHelper->AddTranslationTable(aStandardEventTable);
 
         // register StarBasic event handler with capitalized spelling
         mpEventImportHelper->RegisterFactory("StarBasic",
-                                            new XMLStarBasicContextFactory());
+                                            o3tl::make_unique<XMLStarBasicContextFactory>());
     }
 
     return *mpEventImportHelper;

xmloff/source/script/XMLEventImportHelper.cxx

@@ -40,10 +40,6 @@ XMLEventImportHelper::XMLEventImportHelper() :
 XMLEventImportHelper::~XMLEventImportHelper()
 {
     // delete factories
-    for(auto& rEntry : aFactoryMap)
-    {
-        delete rEntry.second;
-    }
     aFactoryMap.clear();
 
     // delete name map
@@ -52,13 +48,10 @@ XMLEventImportHelper::~XMLEventImportHelper()
 
 void XMLEventImportHelper::RegisterFactory(
     const OUString& rLanguage,
-    XMLEventContextFactory* pFactory )
+    std::unique_ptr<XMLEventContextFactory> pFactory )
 {
-    DBG_ASSERT(pFactory != nullptr, "I need a factory.");
-    if (nullptr != pFactory)
-    {
-        aFactoryMap[rLanguage] = pFactory;
-    }
+    assert(pFactory);
+    aFactoryMap[rLanguage] = std::move(pFactory);
 }
 
 void XMLEventImportHelper::AddTranslationTable(