More on eliminating ScStrCollection.

sc/source/ui/unoobj/linkuno.cxx

@@ -418,27 +418,29 @@ void ScSheetLinksObj::Notify( SfxBroadcaster&, const SfxHint& rHint )
 
 ScSheetLinkObj* ScSheetLinksObj::GetObjectByIndex_Impl(sal_Int32 nIndex)
 {
-    if (pDocShell)
-    {
-        sal_Int32 nCount = 0;
-        ScStrCollection aNames; // um doppelte wegzulassen
+    if (!pDocShell)
+        return NULL;
+
+    typedef boost::unordered_set<rtl::OUString, rtl::OUStringHash> StrSetType;
+    StrSetType aNames;
     ScDocument* pDoc = pDocShell->GetDocument();
     SCTAB nTabCount = pDoc->GetTableCount();
-        for (SCTAB nTab=0; nTab<nTabCount; nTab++)
-            if (pDoc->IsLinked(nTab))
+    sal_Int32 nCount = 0;
+    for (SCTAB nTab = 0; nTab < nTabCount; ++nTab)
     {
-                String aLinkDoc = pDoc->GetLinkDoc( nTab );
-                StrData* pData = new StrData(aLinkDoc);
-                if (aNames.Insert(pData))
+        if (!pDoc->IsLinked(nTab))
+            continue;
+
+        rtl::OUString aLinkDoc = pDoc->GetLinkDoc(nTab);
+        if (aNames.insert(aLinkDoc).second)
         {
-                    if ( nCount == nIndex )
+            // unique document name.
+            if (nCount == nIndex)
                 return new ScSheetLinkObj( pDocShell, aLinkDoc );
             ++nCount;
         }
-                else
-                    delete pData;
-            }
     }
+
     return NULL;    // kein Dokument oder Index zu gross
 }
 
@@ -478,23 +480,25 @@ uno::Reference<container::XEnumeration> SAL_CALL ScSheetLinksObj::createEnumerat
 
 sal_Int32 SAL_CALL ScSheetLinksObj::getCount() throw(uno::RuntimeException)
 {
+    typedef boost::unordered_set<rtl::OUString, rtl::OUStringHash> StrSetType;
+
     SolarMutexGuard aGuard;
+    if (!pDocShell)
+        return 0;
+
     sal_Int32 nCount = 0;
-    if (pDocShell)
-    {
-        ScStrCollection aNames; // um doppelte wegzulassen
+
+    StrSetType aNames;
     ScDocument* pDoc = pDocShell->GetDocument();
     SCTAB nTabCount = pDoc->GetTableCount();
-        for (SCTAB nTab=0; nTab<nTabCount; nTab++)
-            if (pDoc->IsLinked(nTab))
+    for (SCTAB nTab = 0; nTab < nTabCount; ++nTab)
     {
-                String aLinkDoc(pDoc->GetLinkDoc( nTab ));
-                StrData* pData = new StrData(aLinkDoc);
-                if (aNames.Insert(pData))
+        if (!pDoc->IsLinked(nTab))
+            continue;
+
+        rtl::OUString aLinkDoc = pDoc->GetLinkDoc(nTab);
+        if (aNames.insert(aLinkDoc).second)
             ++nCount;
-                else
-                    delete pData;
-            }
     }
     return nCount;
 }
@@ -562,36 +566,33 @@ sal_Bool SAL_CALL ScSheetLinksObj::hasByName( const rtl::OUString& aName )
 
 uno::Sequence<rtl::OUString> SAL_CALL ScSheetLinksObj::getElementNames() throw(uno::RuntimeException)
 {
+    typedef boost::unordered_set<rtl::OUString, rtl::OUStringHash> StrSetType;
+
     SolarMutexGuard aGuard;
     //  Name ist der Dateiname
 
-    if (pDocShell)
-    {
-        ScStrCollection aNames; // um doppelte wegzulassen
+    if (!pDocShell)
+        return uno::Sequence<rtl::OUString>();
+
+    StrSetType aNames;
     ScDocument* pDoc = pDocShell->GetDocument();
     SCTAB nTabCount = pDoc->GetTableCount();
-        String aName;
 
     sal_Int32 nLinkCount = getCount();
     uno::Sequence<rtl::OUString> aSeq(nLinkCount);
     rtl::OUString* pAry = aSeq.getArray();
     sal_uInt16 nPos = 0;
-        for (SCTAB nTab=0; nTab<nTabCount; nTab++)
-        {
-            if (pDoc->IsLinked(nTab))
+    for (SCTAB nTab = 0; nTab < nTabCount; ++nTab)
     {
-                String aLinkDoc(pDoc->GetLinkDoc( nTab ));
-                StrData* pData = new StrData(aLinkDoc);
-                if (aNames.Insert(pData))
+        if (!pDoc->IsLinked(nTab))
+            continue;
+
+        rtl::OUString aLinkDoc = pDoc->GetLinkDoc(nTab);
+        if (aNames.insert(aLinkDoc).second)
             pAry[nPos++] = aLinkDoc;
-                else
-                    delete pData;
-            }
     }
     OSL_ENSURE( nPos==nLinkCount, "verzaehlt" );
     return aSeq;
-    }
-    return uno::Sequence<rtl::OUString>();
 }
 
 //------------------------------------------------------------------------