use std::unique_ptr in SwSortOptions

Change-Id: I5854e1492388d765a0503193a45f7c0f1bd14004
Reviewed-on: https://gerrit.libreoffice.org/43528Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/inc/sortopt.hxx

@@ -21,6 +21,7 @@
 
 #include <rtl/ustring.hxx>
 #include "swdllapi.h"
+#include <memory>
 #include <vector>
 
 enum SwSortOrder        { SRT_ASCENDING, SRT_DESCENDING };
@@ -44,7 +45,9 @@ struct SW_DLLPUBLIC SwSortOptions
     ~SwSortOptions();
     SwSortOptions(const SwSortOptions& rOpt);
 
-    std::vector<SwSortKey*> aKeys;
+    SwSortOptions& operator=( SwSortOptions const & ) = delete; // MSVC2015 workaround
+
+    std::vector<std::unique_ptr<SwSortKey>> aKeys;
     SwSortDirection         eDirection;
     sal_Unicode             cDeli;
     LanguageType            nLanguage;

sw/source/core/doc/docsort.cxx

@@ -128,7 +128,7 @@ int SwSortElement::keycompare(const SwSortElement& rCmp, sal_uInt16 nKey) const
     // The actual comparison
     const SwSortElement *pOrig, *pCmp;
 
-    const SwSortKey* pSrtKey = pOptions->aKeys[ nKey ];
+    const SwSortKey* pSrtKey = pOptions->aKeys[ nKey ].get();
     if( pSrtKey->eSortOrder == SRT_ASCENDING )
     {
         pOrig = this;

sw/source/core/doc/sortopt.cxx

@@ -19,6 +19,7 @@
 
 #include <i18nlangtag/lang.h>
 #include <sortopt.hxx>
+#include <o3tl/make_unique.hxx>
 
 SwSortKey::SwSortKey() :
     eSortOrder( SRT_ASCENDING ),
@@ -59,17 +60,14 @@ SwSortOptions::SwSortOptions(const SwSortOptions& rOpt) :
     bTable( rOpt.bTable ),
     bIgnoreCase( rOpt.bIgnoreCase )
 {
-    for(SwSortKey* pKey : rOpt.aKeys)
+    for(auto const & pKey : rOpt.aKeys)
     {
-        SwSortKey* pNew = new SwSortKey(*pKey);
-        aKeys.push_back( pNew );
+        aKeys.push_back( o3tl::make_unique<SwSortKey>(*pKey) );
     }
 }
 
 SwSortOptions::~SwSortOptions()
 {
-    for( SwSortKey *pKey : aKeys )
-        delete pKey;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/core/unocore/unoobj.cxx

@@ -2588,21 +2588,21 @@ bool SwUnoCursorHelper::ConvertSortProperties(
     rSortOpt.cDeli = ' ';
     rSortOpt.eDirection = SRT_COLUMNS;  //!! UI text may be contrary though !!
 
-    SwSortKey* pKey1 = new SwSortKey;
+    std::unique_ptr<SwSortKey> pKey1(new SwSortKey);
     pKey1->nColumnId = USHRT_MAX;
     pKey1->bIsNumeric = true;
     pKey1->eSortOrder = SRT_ASCENDING;
 
-    SwSortKey* pKey2 = new SwSortKey;
+    std::unique_ptr<SwSortKey> pKey2(new SwSortKey);
     pKey2->nColumnId = USHRT_MAX;
     pKey2->bIsNumeric = true;
     pKey2->eSortOrder = SRT_ASCENDING;
 
-    SwSortKey* pKey3 = new SwSortKey;
+    std::unique_ptr<SwSortKey> pKey3(new SwSortKey);
     pKey3->nColumnId = USHRT_MAX;
     pKey3->bIsNumeric = true;
     pKey3->eSortOrder = SRT_ASCENDING;
-    SwSortKey* aKeys[3] = {pKey1, pKey2, pKey3};
+    SwSortKey* aKeys[3] = {pKey1.get(), pKey2.get(), pKey3.get()};
 
     bool bOldSortdescriptor(false);
     bool bNewSortdescriptor(false);
@@ -2815,15 +2815,15 @@ bool SwUnoCursorHelper::ConvertSortProperties(
 
     if (pKey1->nColumnId != USHRT_MAX)
     {
-        rSortOpt.aKeys.push_back(pKey1);
+        rSortOpt.aKeys.push_back(std::move(pKey1));
     }
     if (pKey2->nColumnId != USHRT_MAX)
     {
-        rSortOpt.aKeys.push_back(pKey2);
+        rSortOpt.aKeys.push_back(std::move(pKey2));
     }
     if (pKey3->nColumnId != USHRT_MAX)
     {
-        rSortOpt.aKeys.push_back(pKey3);
+        rSortOpt.aKeys.push_back(std::move(pKey3));
     }
 
     return bRet && !rSortOpt.aKeys.empty();

sw/source/ui/misc/srtdlg.cxx

@@ -41,6 +41,7 @@
 #include <swtable.hxx>
 #include <node.hxx>
 #include <tblsel.hxx>
+#include <o3tl/make_unique.hxx>
 #include <sfx2/request.hxx>
 #include <memory>
 
@@ -317,9 +318,9 @@ void SwSortDlg::Apply()
         else if( nullptr != (pUserData = m_pTypDLB1->GetSelectedEntryData()) )
             sEntry = *static_cast<OUString*>(pUserData);
 
-        SwSortKey *pKey = new SwSortKey( nCol1, sEntry,
-                                    bAsc1 ? SRT_ASCENDING : SRT_DESCENDING );
-        aOptions.aKeys.push_back( pKey );
+        aOptions.aKeys.push_back(
+            o3tl::make_unique<SwSortKey>( nCol1, sEntry,
+                                    bAsc1 ? SRT_ASCENDING : SRT_DESCENDING ));
     }
 
     if( bCheck2 )
@@ -330,9 +331,9 @@ void SwSortDlg::Apply()
         else if( nullptr != (pUserData = m_pTypDLB2->GetSelectedEntryData()) )
             sEntry = *static_cast<OUString*>(pUserData);
 
-        SwSortKey *pKey = new SwSortKey( nCol2, sEntry,
-                                    bAsc2 ? SRT_ASCENDING : SRT_DESCENDING );
-        aOptions.aKeys.push_back( pKey );
+        aOptions.aKeys.push_back(
+            o3tl::make_unique<SwSortKey>( nCol2, sEntry,
+                                    bAsc2 ? SRT_ASCENDING : SRT_DESCENDING ));
     }
 
     if( bCheck3 )
@@ -343,9 +344,9 @@ void SwSortDlg::Apply()
         else if( nullptr != (pUserData = m_pTypDLB3->GetSelectedEntryData()) )
             sEntry = *static_cast<OUString*>(pUserData);
 
-        SwSortKey *pKey = new SwSortKey( nCol3, sEntry,
-                                    bAsc3 ? SRT_ASCENDING : SRT_DESCENDING );
-        aOptions.aKeys.push_back( pKey );
+        aOptions.aKeys.push_back(
+            o3tl::make_unique<SwSortKey>( nCol3, sEntry,
+                                    bAsc3 ? SRT_ASCENDING : SRT_DESCENDING ));
     }
 
     aOptions.eDirection =  bCol ? SRT_COLUMNS : SRT_ROWS;