svx: Simplify FmSearchEngine's code with std::unique_ptr

Change-Id: Ibda0f912c940091676889529224488846c91b50f
Reviewed-on: https://gerrit.libreoffice.org/42456Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/svx/fmsrcimp.hxx

@@ -36,6 +36,7 @@
 #include <osl/thread.hxx>
 
 #include <deque>
+#include <memory>
 #include <vector>
 
 enum class TransliterationFlags;
@@ -171,8 +172,8 @@ class SAL_WARN_UNUSED SVX_DLLPUBLIC FmSearchEngine final
     FieldCollection             m_arrUsedFields;
     sal_Int32                   m_nCurrentFieldIndex;   // the last parameter of RebuildUsedFields, it allows checks in FormatField
 
-    typedef std::vector<svxform::ControlTextWrapper*> ControlTextSuppliers;
-    ControlTextSuppliers    m_aControlTexts;
+    std::vector<std::unique_ptr<svxform::ControlTextWrapper>>
+                            m_aControlTexts;
 
     CursorWrapper           m_xOriginalIterator;
     CursorWrapper           m_xClonedIterator;
@@ -273,8 +274,6 @@ public:
         const OUString& strVisibleFields,
         const InterfaceArray& arrFields);
 
-    ~FmSearchEngine();
-
     /** the link will be called on every record and after the completion of the search, the parameter is a pointer to
         a FmSearchProgress structure
         the handler should be in any case thread-safe

svx/source/form/fmsrcimp.cxx

@@ -281,7 +281,7 @@ void FmSearchEngine::BuildAndInsertFieldInfo(const Reference< css::container::XI
 OUString FmSearchEngine::FormatField(sal_Int32 nWhich)
 {
     DBG_ASSERT((sal_uInt32)nWhich < m_aControlTexts.size(), "FmSearchEngine::FormatField(sal_Int32) : invalid position !");
-    DBG_ASSERT(m_aControlTexts[nWhich] != nullptr, "FmSearchEngine::FormatField(sal_Int32) : invalid object in array !");
+    DBG_ASSERT(m_aControlTexts[nWhich], "FmSearchEngine::FormatField(sal_Int32) : invalid object in array !");
     DBG_ASSERT(m_aControlTexts[nWhich]->getControl().is(), "FmSearchEngine::FormatField : invalid control !");
 
     if (m_nCurrentFieldIndex != -1)
@@ -592,13 +592,6 @@ FmSearchEngine::FmSearchEngine(const Reference< XComponentContext >& _rxContext,
 }
 
 
-FmSearchEngine::~FmSearchEngine()
-{
-    clearControlTexts();
-
-}
-
-
 void FmSearchEngine::SetIgnoreWidthCJK(bool bSet)
 {
     if (bSet)
@@ -631,14 +624,6 @@ bool FmSearchEngine::GetCaseSensitive() const
 
 void FmSearchEngine::clearControlTexts()
 {
-    ControlTextSuppliers::const_iterator aEnd = m_aControlTexts.end();
-    for (   ControlTextSuppliers::iterator aIter = m_aControlTexts.begin();
-            aIter != aEnd;
-            ++aIter
-        )
-    {
-        delete *aIter;
-    }
     m_aControlTexts.clear();
 }
 
@@ -655,21 +640,21 @@ void FmSearchEngine::fillControlTexts(const InterfaceArray& arrFields)
         Reference< css::awt::XTextComponent >  xAsText(xCurrent, UNO_QUERY);
         if (xAsText.is())
         {
-            m_aControlTexts.insert(m_aControlTexts.end(), new SimpleTextWrapper(xAsText));
+            m_aControlTexts.emplace_back(new SimpleTextWrapper(xAsText));
             continue;
         }
 
         Reference< css::awt::XListBox >  xAsListBox(xCurrent, UNO_QUERY);
         if (xAsListBox.is())
         {
-            m_aControlTexts.insert(m_aControlTexts.end(), new ListBoxWrapper(xAsListBox));
+            m_aControlTexts.emplace_back(new ListBoxWrapper(xAsListBox));
             continue;
         }
 
         Reference< css::awt::XCheckBox >  xAsCheckBox(xCurrent, UNO_QUERY);
         DBG_ASSERT(xAsCheckBox.is(), "FmSearchEngine::fillControlTexts : invalid field interface (no supported type) !");
             // we don't have any more options ...
-        m_aControlTexts.insert(m_aControlTexts.end(), new CheckBoxWrapper(xAsCheckBox));
+        m_aControlTexts.emplace_back(new CheckBoxWrapper(xAsCheckBox));
     }
 }