convert editeng/source/editeng/*.cxx from String to OUString

Change-Id: I4063b427f050de0a179e6436fb647614bacd704c

12 files changed, 156 insertions, 159 deletions

diff --git a/editeng/source/editeng/editdbg.cxx b/editeng/source/editeng/editdbg.cxx
index 4006918917f7..d2506990dadf 100644
--- a/editeng/source/editeng/editdbg.cxx
+++ b/editeng/source/editeng/editdbg.cxx
@@ -474,7 +474,7 @@ void EditDbg::ShowEditEngineData( EditEngine* pEE, sal_Bool bInfoBox )
     }
     fclose( fp );
     if ( bInfoBox )
-        InfoBox(0, String( RTL_CONSTASCII_USTRINGPARAM( "D:\\DEBUG.LOG !" ) ) ).Execute();
+        InfoBox(0, OUString( "D:\\DEBUG.LOG !" ) ).Execute();
 }
 
 #if OSL_DEBUG_LEVEL > 2
diff --git a/editeng/source/editeng/editdoc.cxx b/editeng/source/editeng/editdoc.cxx
index 0a5e5a59c7b6..19f01867acf0 100644
--- a/editeng/source/editeng/editdoc.cxx
+++ b/editeng/source/editeng/editdoc.cxx
@@ -2113,12 +2113,12 @@ OUString EditDoc::GetText( LineEnd eEnd ) const
     sal_Int32 nLastNode = nNodes-1;
     for ( sal_Int32 nNode = 0; nNode < nNodes; nNode++ )
     {
-        String aTmp( GetParaAsString( GetObject(nNode) ) );
-        memcpy( pCur, aTmp.GetBuffer(), aTmp.Len()*sizeof(sal_Unicode) );
-        pCur += aTmp.Len();
+        OUString aTmp( GetParaAsString( GetObject(nNode) ) );
+        memcpy( pCur, aTmp.getStr(), aTmp.getLength() * sizeof(sal_Unicode) );
+        pCur += aTmp.getLength();
         if ( nSepSize && ( nNode != nLastNode ) )
         {
-            memcpy( pCur, aSep.getStr(), nSepSize*sizeof(sal_Unicode ) );
+            memcpy( pCur, aSep.getStr(), nSepSize * sizeof(sal_Unicode ) );
             pCur += nSepSize;
         }
     }
@@ -3042,7 +3042,7 @@ SvxColorItem* SvxColorList::GetObject( size_t nIndex )
 }
 
 EditEngineItemPool::EditEngineItemPool( sal_Bool bPersistenRefCounts )
-    : SfxItemPool( String( "EditEngineItemPool", RTL_TEXTENCODING_ASCII_US ), EE_ITEMS_START, EE_ITEMS_END,
+    : SfxItemPool( OUString( "EditEngineItemPool" ), EE_ITEMS_START, EE_ITEMS_END,
                     aItemInfos, 0, bPersistenRefCounts )
 {
     SetVersionMap( 1, 3999, 4015, aV1Map );
diff --git a/editeng/source/editeng/editeng.cxx b/editeng/source/editeng/editeng.cxx
index d45347c3054b..8e8e15f91574 100644
--- a/editeng/source/editeng/editeng.cxx
+++ b/editeng/source/editeng/editeng.cxx
@@ -1307,7 +1307,7 @@ sal_Bool EditEngine::PostKeyEvent( const KeyEvent& rKeyEvent, EditView* pEditVie
                                 EditPaM aStart( pImpEditEngine->WordLeft( aCurSel.Max() ) );
                                 aCurSel = pImpEditEngine->InsertText(
                                                 EditSelection( aStart, aCurSel.Max() ), aAutoText );
-                                pImpEditEngine->SetAutoCompleteText( String(), sal_True );
+                                pImpEditEngine->SetAutoCompleteText( OUString(), sal_True );
                             }
                         }
                         pImpEditEngine->UndoActionEnd( EDITUNDO_INSERT );
@@ -1362,10 +1362,10 @@ sal_Bool EditEngine::PostKeyEvent( const KeyEvent& rKeyEvent, EditView* pEditVie
                              ( pImpEditEngine->aWordDelimiters.indexOf( aCurSel.Max().GetNode()->GetChar( nIndex ) ) != -1 ) )
                         {
                             EditPaM aStart( pImpEditEngine->WordLeft( aCurSel.Max() ) );
-                            String aWord = pImpEditEngine->GetSelected( EditSelection( aStart, aCurSel.Max() ) );
-                            if ( aWord.Len() >= 3 )
+                            OUString aWord = pImpEditEngine->GetSelected( EditSelection( aStart, aCurSel.Max() ) );
+                            if ( aWord.getLength() >= 3 )
                             {
-                                String aComplete;
+                                OUString aComplete;
 
                                 LanguageType eLang = pImpEditEngine->GetLanguage( EditPaM( aStart.GetNode(), aStart.GetIndex()+1));
                                 LanguageTag aLanguageTag( eLang);
@@ -1394,7 +1394,7 @@ sal_Bool EditEngine::PostKeyEvent( const KeyEvent& rKeyEvent, EditView* pEditVie
                                     }
                                 }
 
-                                if ( !aComplete.Len() )
+                                if ( aComplete.isEmpty() )
                                 {
                                     xItem = pImpEditEngine->xLocaleDataWrapper->getDefaultCalendarMonths();
                                     sal_Int32 nMonthCount = xItem.getLength();
@@ -1410,7 +1410,7 @@ sal_Bool EditEngine::PostKeyEvent( const KeyEvent& rKeyEvent, EditView* pEditVie
                                     }
                                 }
 
-                                if( aComplete.Len() && ( ( aWord.Len() + 1 ) < aComplete.Len() ) )
+                                if( !aComplete.isEmpty() && ( ( aWord.getLength() + 1 ) < aComplete.getLength() ) )
                                 {
                                     pImpEditEngine->SetAutoCompleteText( aComplete, sal_False );
                                     Point aPos = pImpEditEngine->PaMtoEditCursor( aCurSel.Max() ).TopLeft();
@@ -2482,7 +2482,7 @@ void EditEngine::RemoveFields( sal_Bool bKeepFieldText, TypeId aType )
                 {
                     DBG_ASSERT( dynamic_cast<const SvxFieldItem*>(rAttr.GetItem()), "no field item..." );
                     EditSelection aSel( EditPaM(pNode, rAttr.GetStart()), EditPaM(pNode, rAttr.GetEnd()) );
-                    String aFieldText = static_cast<const EditCharAttribField&>(rAttr).GetFieldValue();
+                    OUString aFieldText = static_cast<const EditCharAttribField&>(rAttr).GetFieldValue();
                     pImpEditEngine->ImpInsertText( aSel, aFieldText );
                 }
             }
diff --git a/editeng/source/editeng/editobj.cxx b/editeng/source/editeng/editobj.cxx
index 5099309e750c..8e35a576f0e0 100644
--- a/editeng/source/editeng/editobj.cxx
+++ b/editeng/source/editeng/editobj.cxx
@@ -1106,7 +1106,7 @@ void EditTextObjectImpl::StoreData( SvStream& rOStream ) const
                       || ( bSymbolPara && ( rFontItem.GetCharSet() != RTL_TEXTENCODING_SYMBOL ) ) )
                 {
                     // Not correctly converted
-                    String aPart( rC.GetText(), rAttr.GetStart(), rAttr.GetEnd() - rAttr.GetStart() );
+                    OUString aPart = rC.GetText().copy( rAttr.GetStart(), rAttr.GetEnd() - rAttr.GetStart() );
                     OString aNew(OUStringToOString(aPart, rFontItem.GetCharSet()));
                     aBuffer.remove(rAttr.GetStart(), rAttr.GetEnd() - rAttr.GetStart());
                     aBuffer.insert(rAttr.GetStart(), aNew);
diff --git a/editeng/source/editeng/editview.cxx b/editeng/source/editeng/editview.cxx
index 3819cda2334d..8f331c80d209 100644
--- a/editeng/source/editeng/editview.cxx
+++ b/editeng/source/editeng/editview.cxx
@@ -873,7 +873,7 @@ static Image lcl_GetImageFromPngUrl( const OUString &rFileUrl )
 //    aTmp = lcl_Win_GetShortPathName( aTmp );
 #endif
     Graphic aGraphic;
-    const String aFilterName(  IMP_PNG  );
+    const OUString aFilterName(  IMP_PNG  );
     if( GRFILTER_OK == GraphicFilter::LoadGraphic( aTmp, aFilterName, aGraphic ) )
     {
         aRes = Image( aGraphic.GetBitmapEx() );
@@ -903,7 +903,7 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
         aPaM2.GetIndex()++;
 
         // Are there any replace suggestions?
-        String aSelected( GetSelected() );
+        OUString aSelected( GetSelected() );
         //
         // restrict the maximal number of suggestions displayed
         // in the context menu.
@@ -931,7 +931,7 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
         LanguageType nGuessLangPara = LANGUAGE_NONE;
         if (xSpellAlt.is() && xLangGuesser.is())
         {
-            String aParaText;
+            OUString aParaText;
             ContentNode *pNode = aPaM.GetNode();
             if (pNode)
             {
@@ -954,12 +954,12 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
                 nGuessLangPara = nGuessLangWord;
 
             aPopupMenu.InsertSeparator();
-            String aTmpWord( SvtLanguageTable::GetLanguageString( nGuessLangWord ) );
-            String aTmpPara( SvtLanguageTable::GetLanguageString( nGuessLangPara ) );
-            String aWordStr( EE_RESSTR( RID_STR_WORD ) );
-            aWordStr.SearchAndReplace( String(  "%x"  ), aTmpWord );
-            String aParaStr( EE_RESSTR( RID_STR_PARAGRAPH ) );
-            aParaStr.SearchAndReplace( String(  "%x"  ), aTmpPara );
+            OUString aTmpWord( SvtLanguageTable::GetLanguageString( nGuessLangWord ) );
+            OUString aTmpPara( SvtLanguageTable::GetLanguageString( nGuessLangPara ) );
+            OUString aWordStr( EE_RESSTR( RID_STR_WORD ) );
+            aWordStr = aWordStr.replaceFirst( "%x", aTmpWord );
+            OUString aParaStr( EE_RESSTR( RID_STR_PARAGRAPH ) );
+            aParaStr = aParaStr.replaceFirst( "%x", aTmpPara );
             aPopupMenu.InsertItem( MN_WORDLANGUAGE, aWordStr );
             aPopupMenu.SetHelpId( MN_WORDLANGUAGE, HID_EDITENG_SPELLER_WORDLANGUAGE );
             aPopupMenu.InsertItem( MN_PARALANGUAGE, aParaStr );
@@ -983,7 +983,7 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
         {
             for ( sal_uInt16 nW = 0; nW < nWords; nW++ )
             {
-                String aAlternate( pAlt[nW] );
+                OUString aAlternate( pAlt[nW] );
                 aPopupMenu.InsertItem( MN_ALTSTART+nW, aAlternate, 0, OString(), nW );
                 pAutoMenu->InsertItem( MN_AUTOSTART+nW, aAlternate, 0, OString(), nW );
             }
@@ -1058,7 +1058,7 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
         sal_uInt16 nId = aPopupMenu.Execute( pImpEditView->GetWindow(), aTempRect, POPUPMENU_NOMOUSEUPCLOSE );
         if ( nId == MN_IGNORE )
         {
-            String aWord = pImpEditView->SpellIgnoreOrAddWord( sal_False );
+            OUString aWord = pImpEditView->SpellIgnoreOrAddWord( sal_False );
             if ( pCallBack )
             {
                 SpellCallbackInfo aInf( SPELLCMD_IGNOREWORD, aWord );
@@ -1109,13 +1109,13 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
             }
             else
             {
-                SpellCallbackInfo aInf( SPELLCMD_STARTSPELLDLG, String() );
+                SpellCallbackInfo aInf( SPELLCMD_STARTSPELLDLG, OUString() );
                 pCallBack->Call( &aInf );
             }
         }
         else if ( nId >= MN_DICTSTART || nId == MN_INSERT_SINGLE )
         {
-            String aDicName;
+            OUString aDicName;
             if (nId >= MN_DICTSTART)
                 aDicName = pInsertMenu->GetItemText(nId);
             else
@@ -1126,7 +1126,7 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
                 xDic = xDicList->getDictionaryByName( aDicName );
 
             if (xDic.is())
-                xDic->add( aSelected, sal_False, String() );
+                xDic->add( aSelected, sal_False, OUString() );
             // save modified user-dictionary if it is persistent
             Reference< frame::XStorable >  xSavDic( xDic, UNO_QUERY );
             if (xSavDic.is())
@@ -1145,7 +1145,7 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
         else if ( nId >= MN_AUTOSTART )
         {
             DBG_ASSERT(nId - MN_AUTOSTART < aAlt.getLength(), "index out of range");
-            String aWord = pAlt[nId - MN_AUTOSTART];
+            OUString aWord = pAlt[nId - MN_AUTOSTART];
             SvxAutoCorrect* pAutoCorrect = SvxAutoCorrCfg::Get().GetAutoCorrect();
             if ( pAutoCorrect )
                 pAutoCorrect->PutText( aSelected, aWord, PIMPEE->GetLanguage( aPaM2 ) );
@@ -1154,7 +1154,7 @@ void EditView::ExecuteSpellPopup( const Point& rPosPixel, Link* pCallBack )
         else if ( nId >= MN_ALTSTART )  // Replace
         {
             DBG_ASSERT(nId - MN_ALTSTART < aAlt.getLength(), "index out of range");
-            String aWord = pAlt[nId - MN_ALTSTART];
+            OUString aWord = pAlt[nId - MN_ALTSTART];
             InsertText( aWord );
         }
         else
@@ -1448,13 +1448,13 @@ Selection EditView::GetSurroundingTextSelection() const
     {
         EditSelection aSel( pImpEditView->GetEditSelection() );
         aSel.Adjust( PIMPE->GetEditDoc() );
-        String aStr = PIMPE->GetSelected(aSel);
+        OUString aStr = PIMPE->GetSelected(aSel);
 
         // Stop reconversion if the selected text includes a line break.
-        if ( aStr.Search( 0x0A ) == STRING_NOTFOUND )
-        return Selection( 0, aSelection.nEndPos - aSelection.nStartPos );
+        if ( aStr.indexOf( 0x0A ) == -1 )
+            return Selection( 0, aSelection.nEndPos - aSelection.nStartPos );
         else
-        return Selection( 0, 0 );
+            return Selection( 0, 0 );
     }
     else
     {
diff --git a/editeng/source/editeng/edtspell.cxx b/editeng/source/editeng/edtspell.cxx
index dc429803984d..4ac315753fab 100644
--- a/editeng/source/editeng/edtspell.cxx
+++ b/editeng/source/editeng/edtspell.cxx
@@ -166,7 +166,7 @@ void EditSpellWrapper::ChangeWord( const OUString& rNewWord,
 
     // If there is a dot Punkt after the word, this dot will be stripped away.
     // If '"' => PreStripped.
-    String aNewWord( rNewWord );
+    OUString aNewWord( rNewWord );
     pEditView->InsertText( aNewWord );
     CheckSpellTo();
 }
@@ -677,7 +677,7 @@ sal_Bool EdtAutoCorrDoc::SetINetAttr( sal_uInt16 nStt, sal_uInt16 nEnd,
 {
     // Turn the Text into a command field ...
     EditSelection aSel( EditPaM( pCurNode, nStt ), EditPaM( pCurNode, nEnd ) );
-    String aText = mpEditEngine->GetSelected(aSel);
+    OUString aText = mpEditEngine->GetSelected(aSel);
     aSel = mpEditEngine->DeleteSelection(aSel);
     SAL_WARN_IF(nCursor < nEnd, "editeng",
             "Cursor in the heart of the action?!");
@@ -735,10 +735,10 @@ sal_Bool EdtAutoCorrDoc::ChgAutoCorrWord( sal_uInt16& rSttPos,
     // shortcut in Auto
     bAllowUndoAction = false;   // Not anymore ...
 
-    String aShort( pCurNode->Copy( rSttPos, nEndPos - rSttPos ) );
+    OUString aShort( pCurNode->Copy( rSttPos, nEndPos - rSttPos ) );
     bool bRet = false;
 
-    if( !aShort.Len() )
+    if( aShort.isEmpty() )
         return bRet;
 
     LanguageType eLang = mpEditEngine->GetLanguage( EditPaM( pCurNode, rSttPos+1 ) );
diff --git a/editeng/source/editeng/eehtml.cxx b/editeng/source/editeng/eehtml.cxx
index 6b6f35d0cf9a..7106ee45c858 100644
--- a/editeng/source/editeng/eehtml.cxx
+++ b/editeng/source/editeng/eehtml.cxx
@@ -169,7 +169,7 @@ void EditHTMLParser::NextToken( int nToken )
     {
         if ( bInPara )
         {
-            ImpInsertText( String( RTL_CONSTASCII_USTRINGPARAM( " " ) ) );
+            ImpInsertText( OUString( " " ) );
         }
     }
     break;
@@ -189,10 +189,10 @@ void EditHTMLParser::NextToken( int nToken )
             if ( !bInPara )
                 StartPara( false );
 
-            String aText = aToken;
-            if ( aText.Len() && ( aText.GetChar( 0 ) == ' ' )
+            OUString aText = aToken;
+            if ( !aText.isEmpty() && ( aText[ 0 ] == ' ' )
                     && ThrowAwayBlank() && !IsReadPRE() )
-                aText.Erase( 0, 1 );
+                aText = aText.copy( 1 );
 
             if ( pCurAnchor )
             {
@@ -203,12 +203,11 @@ void EditHTMLParser::NextToken( int nToken )
                 // Only written until HTML with 319?
                 if ( IsReadPRE() )
                 {
-                    sal_uInt16 nTabPos = aText.Search( '\t', 0 );
-                    while ( nTabPos != STRING_NOTFOUND )
+                    sal_Int32 nTabPos = aText.indexOf( '\t');
+                    while ( nTabPos != -1 )
                     {
-                        aText.Erase( nTabPos, 1 );
-                        aText.Insert( String( RTL_CONSTASCII_USTRINGPARAM( "        " ) ), nTabPos );
-                        nTabPos = aText.Search( '\t', nTabPos+8 );
+                        aText = aText.replaceAt( nTabPos, 1, "        " );
+                        nTabPos = aText.indexOf( '\t', nTabPos+8 );
                     }
                 }
                 ImpInsertText( aText );
@@ -669,7 +668,7 @@ void EditHTMLParser::ImpSetStyleSheet( sal_uInt16 nHLevel )
 
 void EditHTMLParser::ImpInsertText( const OUString& rText )
 {
-    String aText( rText );
+    OUString aText( rText );
     if (mpEditEngine->IsImportHandlerSet())
     {
         ImportInfo aImportInfo(HTMLIMP_INSERTTEXT, this, mpEditEngine->CreateESelection(aCurSel));
@@ -769,7 +768,7 @@ void EditHTMLParser::AnchorStart()
     if ( !pCurAnchor )
     {
         const HTMLOptions& aOptions = GetOptions();
-        String aRef;
+        OUString aRef;
 
         for ( size_t i = 0, n = aOptions.size(); i < n; ++i )
         {
@@ -782,10 +781,10 @@ void EditHTMLParser::AnchorStart()
             }
         }
 
-        if ( aRef.Len() )
+        if ( !aRef.isEmpty() )
         {
-            String aURL = aRef;
-            if ( aURL.Len() && ( aURL.GetChar( 0 ) != '#' ) )
+            OUString aURL = aRef;
+            if ( !aURL.isEmpty() && ( aURL[ 0 ] != '#' ) )
             {
                 INetURLObject aTargetURL;
                 INetURLObject aRootURL( aBaseURL );
diff --git a/editeng/source/editeng/eertfpar.cxx b/editeng/source/editeng/eertfpar.cxx
index e5989b9818f1..9e2e26503b0b 100644
--- a/editeng/source/editeng/eertfpar.cxx
+++ b/editeng/source/editeng/eertfpar.cxx
@@ -235,7 +235,7 @@ void EditRTFParser::UnknownAttrToken( int nToken, SfxItemSet* )
 
 void EditRTFParser::InsertText()
 {
-    String aText( aToken );
+    OUString aText( aToken );
     if (mpEditEngine->IsImportHandlerSet())
     {
         ImportInfo aImportInfo(RTFIMP_INSERTTEXT, this, mpEditEngine->CreateESelection(aCurSel));
@@ -439,8 +439,8 @@ SfxStyleSheet* EditRTFParser::CreateStyleSheet( SvxRTFStyleType* pRTFStyle )
     if ( pStyle )
         return pStyle;
 
-    String aName( pRTFStyle->sName );
-    String aParent;
+    OUString aName( pRTFStyle->sName );
+    OUString aParent;
     if ( pRTFStyle->nBasedOn )
     {
         SvxRTFStyleTbl::iterator it = GetStyleTbl().find( pRTFStyle->nBasedOn );
@@ -458,7 +458,7 @@ SfxStyleSheet* EditRTFParser::CreateStyleSheet( SvxRTFStyleType* pRTFStyle )
     ConvertAndPutItems( pStyle->GetItemSet(), pRTFStyle->aAttrSet );
 
     // 2) As long as Parent is not in the pool, also create this ...
-    if ( aParent.Len() && ( aParent != aName ) )
+    if ( !aParent.isEmpty() && ( aParent != aName ) )
     {
         SfxStyleSheet* pS = (SfxStyleSheet*)mpEditEngine->GetStyleSheetPool()->Find( aParent, SFX_STYLE_FAMILY_ALL );
         if ( !pS )
@@ -502,8 +502,8 @@ void EditRTFParser::ReadField()
     int _nOpenBrakets = 1;      // the first was already detected earlier
     sal_Bool bFldInst = sal_False;
     sal_Bool bFldRslt = sal_False;
-    String aFldInst;
-    String aFldRslt;
+    OUString aFldInst;
+    OUString aFldRslt;
 
     while( _nOpenBrakets && IsParserWorking() )
     {
@@ -542,17 +542,17 @@ void EditRTFParser::ReadField()
             break;
         }
     }
-    if ( aFldInst.Len() )
+    if ( !aFldInst.isEmpty() )
     {
-        String aHyperLinkMarker( RTL_CONSTASCII_USTRINGPARAM( "HYPERLINK " ) );
-        if ( aFldInst.CompareIgnoreCaseToAscii( aHyperLinkMarker, aHyperLinkMarker.Len() ) == COMPARE_EQUAL )
+        OUString aHyperLinkMarker( "HYPERLINK " );
+        if ( aFldInst.startsWithIgnoreAsciiCase( aHyperLinkMarker ) )
         {
-            aFldInst.Erase( 0, aHyperLinkMarker.Len() );
+            aFldInst = aFldInst.copy( aHyperLinkMarker.getLength() );
             aFldInst = comphelper::string::strip(aFldInst, ' ');
-            aFldInst.Erase( 0, 1 ); // "
-            aFldInst.Erase( aFldInst.Len()-1, 1 );  // "
+            // strip start and end quotes
+            aFldInst = aFldInst.copy( 1, aFldInst.getLength()-2 );
 
-            if ( !aFldRslt.Len() )
+            if ( aFldRslt.isEmpty() )
                 aFldRslt = aFldInst;
 
             SvxFieldItem aField( SvxURLField( aFldInst, aFldRslt, SVXURLFORMAT_REPR ), EE_FEATURE_FIELD  );
diff --git a/editeng/source/editeng/impedit.cxx b/editeng/source/editeng/impedit.cxx
index 6b610a452e27..0b33f13e5e71 100644
--- a/editeng/source/editeng/impedit.cxx
+++ b/editeng/source/editeng/impedit.cxx
@@ -1128,7 +1128,7 @@ OUString ImpEditView::SpellIgnoreOrAddWord( sal_Bool bAdd )
             {
                 Reference< XDictionary >  xDic( SvxGetIgnoreAllList(), UNO_QUERY );
                 if (xDic.is())
-                    xDic->add( aWord, sal_False, String() );
+                    xDic->add( aWord, sal_False, OUString() );
             }
             EditDoc& rDoc = pEditEngine->GetEditDoc();
             sal_Int32 nNodes = rDoc.Count();
@@ -1304,8 +1304,8 @@ void ImpEditView::Paste( ::com::sun::star::uno::Reference< ::com::sun::star::dat
                         uno::Any aData = xDataObj->getTransferData( aFlavor );
                         OUString aTmpText;
                         aData >>= aTmpText;
-                        String aText(convertLineEnd(aTmpText, LINEEND_LF));
-                        aText.SearchAndReplaceAll( LINE_SEP, ' ' );
+                        OUString aText(convertLineEnd(aTmpText, LINEEND_LF));
+                        aText = aText.replaceAll( OUString(LINE_SEP), " " );
                         aSel = pEditEngine->InsertText(aSel, aText);
                     }
                     catch( ... )
@@ -1317,7 +1317,7 @@ void ImpEditView::Paste( ::com::sun::star::uno::Reference< ::com::sun::star::dat
             else
             {
                 aSel = pEditEngine->InsertText(
-                    xDataObj, String(), aSel.Min(),
+                    xDataObj, OUString(), aSel.Min(),
                     bUseSpecial && pEditEngine->GetInternalEditStatus().AllowPasteSpecial());
             }
 
@@ -1728,7 +1728,7 @@ void ImpEditView::drop( const ::com::sun::star::datatransfer::dnd::DropTargetDro
                 pEditEngine->HandleBeginPasteOrDrop(aPasteOrDropInfos);
 
                 EditSelection aNewSel = pEditEngine->InsertText(
-                    xDataObj, String(), aPaM, pEditEngine->GetInternalEditStatus().AllowPasteSpecial());
+                    xDataObj, OUString(), aPaM, pEditEngine->GetInternalEditStatus().AllowPasteSpecial());
 
                 aPasteOrDropInfos.nEndPara = pEditEngine->GetEditDoc().GetPos( aNewSel.Max().GetNode() );
                 pEditEngine->HandleEndPasteOrDrop(aPasteOrDropInfos);
diff --git a/editeng/source/editeng/impedit2.cxx b/editeng/source/editeng/impedit2.cxx
index 46c3b6146f53..d3482191d0d4 100644
--- a/editeng/source/editeng/impedit2.cxx
+++ b/editeng/source/editeng/impedit2.cxx
@@ -271,7 +271,7 @@ OUString ImpEditEngine::GetSelected( const EditSelection& rSel, const LineEnd eE
     if ( !rSel.HasRange() )
         return aText;
 
-    String aSep = EditDoc::GetSepStr( eEnd );
+    OUString aSep = EditDoc::GetSepStr( eEnd );
 
     EditSelection aSel( rSel );
     aSel.Adjust( aEditDoc );
@@ -309,7 +309,7 @@ sal_Bool ImpEditEngine::MouseButtonDown( const MouseEvent& rMEvt, EditView* pVie
     SetActiveView( pView );
 
     if (!GetAutoCompleteText().isEmpty())
-        SetAutoCompleteText( String(), sal_True );
+        SetAutoCompleteText( OUString(), sal_True );
 
     GetSelEngine().SelMouseButtonDown( rMEvt );
     // Special treatment
@@ -353,10 +353,10 @@ void ImpEditEngine::Command( const CommandEvent& rCEvt, EditView* pView )
         pView->DeleteSelected();
         delete mpIMEInfos;
         EditPaM aPaM = pView->GetImpEditView()->GetEditSelection().Max();
-        String aOldTextAfterStartPos = aPaM.GetNode()->Copy( aPaM.GetIndex() );
-        sal_uInt16 nMax = aOldTextAfterStartPos.Search( CH_FEATURE );
-        if ( nMax != STRING_NOTFOUND )  // don't overwrite features!
-            aOldTextAfterStartPos.Erase( nMax );
+        OUString aOldTextAfterStartPos = aPaM.GetNode()->Copy( aPaM.GetIndex() );
+        sal_Int32 nMax = aOldTextAfterStartPos.indexOf( CH_FEATURE );
+        if ( nMax != -1 )  // don't overwrite features!
+            aOldTextAfterStartPos = aOldTextAfterStartPos.copy( 0, nMax );
         mpIMEInfos = new ImplIMEInfos( aPaM, aOldTextAfterStartPos );
         mpIMEInfos->bWasCursorOverwrite = !pView->IsInsertMode();
         UndoActionStart( EDITUNDO_INSERT );
@@ -929,17 +929,17 @@ EditPaM ImpEditEngine::CursorVisualStartEnd( EditView* pEditView, const EditPaM&
 
     if ( !bEmptyLine )
     {
-        String aLine(aPaM.GetNode()->GetString(), pLine->GetStart(), pLine->GetEnd() - pLine->GetStart());
+        OUString aLine = aPaM.GetNode()->GetString().copy(pLine->GetStart(), pLine->GetEnd() - pLine->GetStart());
 
-        const sal_Unicode* pLineString = aLine.GetBuffer();
+        const sal_Unicode* pLineString = aLine.getStr();
 
         UErrorCode nError = U_ZERO_ERROR;
-        UBiDi* pBidi = ubidi_openSized( aLine.Len(), 0, &nError );
+        UBiDi* pBidi = ubidi_openSized( aLine.getLength(), 0, &nError );
 
         const UBiDiLevel  nBidiLevel = IsRightToLeft( nPara ) ? 1 /*RTL*/ : 0 /*LTR*/;
-        ubidi_setPara( pBidi, reinterpret_cast<const UChar *>(pLineString), aLine.Len(), nBidiLevel, NULL, &nError );   // UChar != sal_Unicode in MinGW
+        ubidi_setPara( pBidi, reinterpret_cast<const UChar *>(pLineString), aLine.getLength(), nBidiLevel, NULL, &nError );   // UChar != sal_Unicode in MinGW
 
-        sal_uInt16 nVisPos = bStart ? 0 : aLine.Len()-1;
+        sal_uInt16 nVisPos = bStart ? 0 : aLine.getLength()-1;
         sal_uInt16 nLogPos = (sal_uInt16)ubidi_getLogicalIndex( pBidi, nVisPos, &nError );
 
         ubidi_close( pBidi );
@@ -1048,20 +1048,20 @@ EditPaM ImpEditEngine::CursorVisualLeftRight( EditView* pEditView, const EditPaM
         sal_Bool bGotoStartOfNextLine = sal_False;
         sal_Bool bGotoEndOfPrevLine = sal_False;
 
-        String aLine(aPaM.GetNode()->GetString(), pLine->GetStart(), pLine->GetEnd() - pLine->GetStart());
+        OUString aLine = aPaM.GetNode()->GetString().copy(pLine->GetStart(), pLine->GetEnd() - pLine->GetStart());
         sal_uInt16 nPosInLine = aPaM.GetIndex() - pLine->GetStart();
 
-        const sal_Unicode* pLineString = aLine.GetBuffer();
+        const sal_Unicode* pLineString = aLine.getStr();
 
         UErrorCode nError = U_ZERO_ERROR;
-        UBiDi* pBidi = ubidi_openSized( aLine.Len(), 0, &nError );
+        UBiDi* pBidi = ubidi_openSized( aLine.getLength(), 0, &nError );
 
         const UBiDiLevel  nBidiLevel = IsRightToLeft( nPara ) ? 1 /*RTL*/ : 0 /*LTR*/;
-        ubidi_setPara( pBidi, reinterpret_cast<const UChar *>(pLineString), aLine.Len(), nBidiLevel, NULL, &nError );   // UChar != sal_Unicode in MinGW
+        ubidi_setPara( pBidi, reinterpret_cast<const UChar *>(pLineString), aLine.getLength(), nBidiLevel, NULL, &nError );   // UChar != sal_Unicode in MinGW
 
         if ( !pEditView->IsInsertMode() )
         {
-            sal_Bool bEndOfLine = nPosInLine == aLine.Len();
+            sal_Bool bEndOfLine = nPosInLine == aLine.getLength();
             sal_uInt16 nVisPos = (sal_uInt16)ubidi_getVisualIndex( pBidi, !bEndOfLine ? nPosInLine : nPosInLine-1, &nError );
             if ( bVisualToLeft )
             {
@@ -1071,7 +1071,7 @@ EditPaM ImpEditEngine::CursorVisualLeftRight( EditView* pEditView, const EditPaM
             }
             else
             {
-                bGotoStartOfNextLine = nVisPos == (aLine.Len() - 1);
+                bGotoStartOfNextLine = nVisPos == (aLine.getLength() - 1);
                 if ( !bEndOfLine )
                     nVisPos++;
             }
@@ -1109,7 +1109,7 @@ EditPaM ImpEditEngine::CursorVisualLeftRight( EditView* pEditView, const EditPaM
             }
 
             bGotoEndOfPrevLine = nVisPos < 0;
-            bGotoStartOfNextLine = nVisPos >= aLine.Len();
+            bGotoStartOfNextLine = nVisPos >= aLine.getLength();
 
             if ( !bGotoEndOfPrevLine && !bGotoStartOfNextLine )
             {
@@ -1553,8 +1553,8 @@ EditSelection ImpEditEngine::SelectSentence( const EditSelection& rCurSel )
     const EditPaM& rPaM = rCurSel.Min();
     const ContentNode* pNode = rPaM.GetNode();
     // #i50710# line breaks are marked with 0x01 - the break iterator prefers 0x0a for that
-    String sParagraph = pNode->GetString();
-    sParagraph.SearchAndReplaceAll(0x01,0x0a);
+    OUString sParagraph = pNode->GetString();
+    sParagraph = sParagraph.replaceAll(OUString(0x01), OUString(0x0a));
     //return Null if search starts at the beginning of the string
     sal_Int32 nStart = rPaM.GetIndex() ? _xBI->beginOfSentence( sParagraph, rPaM.GetIndex(), GetLocale( rPaM ) ) : 0;
 
@@ -1590,11 +1590,11 @@ sal_Bool ImpEditEngine::IsInputSequenceCheckingRequired( sal_Unicode nChar, cons
     return bIsSequenceChecking;
 }
 
-static  bool lcl_HasStrongLTR ( const String& rTxt, xub_StrLen nStart, xub_StrLen nEnd )
+static  bool lcl_HasStrongLTR ( const OUString& rTxt, xub_StrLen nStart, xub_StrLen nEnd )
  {
      for ( xub_StrLen nCharIdx = nStart; nCharIdx < nEnd; ++nCharIdx )
      {
-         const UCharDirection nCharDir = u_charDirection ( rTxt.GetChar ( nCharIdx ));
+         const UCharDirection nCharDir = u_charDirection ( rTxt[ nCharIdx ]);
          if ( nCharDir == U_LEFT_TO_RIGHT ||
               nCharDir == U_LEFT_TO_RIGHT_EMBEDDING ||
               nCharDir == U_LEFT_TO_RIGHT_OVERRIDE )
@@ -1616,7 +1616,7 @@ void ImpEditEngine::InitScriptTypes( sal_Int32 nPara )
     {
         uno::Reference < i18n::XBreakIterator > _xBI( ImplGetBreakIterator() );
 
-        String aText = pNode->GetString();
+        OUString aText = pNode->GetString();
 
         // To handle fields put the character from the field in the string,
         // because endOfScript( ... ) will skip the CH_FEATURE, because this is WEAK
@@ -1626,7 +1626,7 @@ void ImpEditEngine::InitScriptTypes( sal_Int32 nPara )
             OUString aFldText = static_cast<const EditCharAttribField*>(pField)->GetFieldValue();
             if ( !aFldText.isEmpty() )
             {
-                aText.SetChar( pField->GetStart(), aFldText.getStr()[0] );
+                aText = aText.replaceAt( pField->GetStart(), 1, aFldText.copy(0,1) );
                 short nFldScriptType = _xBI->getScriptType( aFldText, 0 );
 
                 for ( sal_uInt16 nCharInField = 1; nCharInField < aFldText.getLength(); nCharInField++ )
@@ -1637,14 +1637,14 @@ void ImpEditEngine::InitScriptTypes( sal_Int32 nPara )
                     if ( nFldScriptType == i18n::ScriptType::WEAK )
                     {
                         nFldScriptType = nTmpType;
-                        aText.SetChar( pField->GetStart(), aFldText.getStr()[nCharInField] );
+                        aText = aText.replaceAt( pField->GetStart(), 1, aFldText.copy(nCharInField,1) );
                     }
 
                     // ...  but if the first one is LATIN, and there are CJK or CTL chars too,
                     // we prefer that ScripType because we need an other font.
                     if ( ( nTmpType == i18n::ScriptType::ASIAN ) || ( nTmpType == i18n::ScriptType::COMPLEX ) )
                     {
-                        aText.SetChar( pField->GetStart(), aFldText.getStr()[nCharInField] );
+                        aText = aText.replaceAt( pField->GetStart(), 1, aFldText.copy(nCharInField,1) );
                         break;
                     }
                 }
@@ -1894,16 +1894,16 @@ void ImpEditEngine::InitWritingDirections( sal_Int32 nPara )
     if ( ( bCTL || ( nBidiLevel == 1 /*RTL*/ ) ) && pParaPortion->GetNode()->Len() )
     {
 
-        String aText = pParaPortion->GetNode()->GetString();
+        OUString aText = pParaPortion->GetNode()->GetString();
 
         //
         // Bidi functions from icu 2.0
         //
         UErrorCode nError = U_ZERO_ERROR;
-        UBiDi* pBidi = ubidi_openSized( aText.Len(), 0, &nError );
+        UBiDi* pBidi = ubidi_openSized( aText.getLength(), 0, &nError );
         nError = U_ZERO_ERROR;
 
-        ubidi_setPara( pBidi, reinterpret_cast<const UChar *>(aText.GetBuffer()), aText.Len(), nBidiLevel, NULL, &nError ); // UChar != sal_Unicode in MinGW
+        ubidi_setPara( pBidi, reinterpret_cast<const UChar *>(aText.getStr()), aText.getLength(), nBidiLevel, NULL, &nError ); // UChar != sal_Unicode in MinGW
         nError = U_ZERO_ERROR;
 
         size_t nCount = ubidi_countRuns( pBidi, &nError );
@@ -2539,7 +2539,7 @@ EditPaM ImpEditEngine::AutoCorrect( const EditSelection& rCurSel, sal_Unicode c,
         sal_uInt16 nIndex = aSel.Max().GetIndex();
         EdtAutoCorrDoc aAuto(pEditEngine, pNode, nIndex, c);
         // FIXME: this _must_ be called with reference to the actual node text!
-        String const& rNodeString(pNode->GetString());
+        OUString const& rNodeString(pNode->GetString());
         pAutoCorrect->DoAutoCorrect(
             aAuto, rNodeString, nIndex, c, !bOverwrite, pFrameWin );
         aSel.Max().SetIndex( aAuto.GetCursor() );
@@ -2613,12 +2613,12 @@ EditPaM ImpEditEngine::InsertText( const EditSelection& rCurSel,
                             pOldTxt[nChgPos] == pNewTxt[nChgPos] )
                         ++nChgPos;
 
-                    String aChgText( aNewText.copy( nChgPos ) );
+                    OUString aChgText( aNewText.copy( nChgPos ) );
 
                     // select text from first pos to be changed to current pos
                     EditSelection aSel( EditPaM( aPaM.GetNode(), (sal_uInt16) nChgPos ), aPaM );
 
-                    if (aChgText.Len())
+                    if (!aChgText.isEmpty())
                         return InsertText( aSel, aChgText ); // implicitly handles undo
                     else
                         return aPaM;
@@ -2676,7 +2676,7 @@ EditPaM ImpEditEngine::ImpInsertText(const EditSelection& aCurSel, const OUStrin
     if ( GetStatus().DoOnlineSpelling() )
         aCurWord = SelectWord( aCurPaM, i18n::WordType::DICTIONARY_WORD );
 
-    XubString aText(convertLineEnd(rStr, LINEEND_LF));
+    OUString aText(convertLineEnd(rStr, LINEEND_LF));
     SfxVoidItem aTabItem( EE_FEATURE_TAB );
 
     // Converts to linesep = \n
@@ -2685,43 +2685,41 @@ EditPaM ImpEditEngine::ImpInsertText(const EditSelection& aCurSel, const OUStrin
 
     // fdo#39869 The loop run variable must be capable to hold STRLEN_MAX+1,
     // that with STRING32 would be SAL_MAX_INT32+1 but with 16-bit is 0xFFFF+1
-    sal_uInt32 nStart = 0;
-    while ( nStart < aText.Len() )
+    sal_Int32 nStart = 0;
+    while ( nStart < aText.getLength() )
     {
-        sal_uInt32 nEnd = aText.Search( LINE_SEP, static_cast<xub_StrLen>(nStart) );
-        if ( nEnd == STRING_NOTFOUND )
-            nEnd = aText.Len(); // not dereference!
+        sal_Int32 nEnd = aText.indexOf( LINE_SEP, nStart );
+        if ( nEnd == -1 )
+            nEnd = aText.getLength(); // not dereference!
 
         // Start == End => empty line
         if ( nEnd > nStart )
         {
-            XubString aLine( aText, nStart, static_cast<xub_StrLen>(nEnd-nStart) );
-            xub_StrLen nChars = aPaM.GetNode()->Len() + aLine.Len();
+            OUString aLine = aText.copy( nStart, nEnd-nStart );
+            xub_StrLen nChars = aPaM.GetNode()->Len() + aLine.getLength();
             if ( nChars > MAXCHARSINPARA )
             {
                 xub_StrLen nMaxNewChars = MAXCHARSINPARA-aPaM.GetNode()->Len();
-                nEnd -= ( aLine.Len() - nMaxNewChars ); // Then the characters end up in the next paragraph.
-                aLine.Erase( nMaxNewChars );            // Delete the Rest...
+                nEnd -= ( aLine.getLength() - nMaxNewChars ); // Then the characters end up in the next paragraph.
+                aLine = aLine.copy( 0, nMaxNewChars );            // Delete the Rest...
             }
             if ( IsUndoEnabled() && !IsInUndo() )
                 InsertUndo(new EditUndoInsertChars(pEditEngine, CreateEPaM(aPaM), aLine));
             // Tabs ?
-            if ( aLine.Search( '\t' ) == STRING_NOTFOUND )
+            if ( aLine.indexOf( '\t' ) == -1 )
                 aPaM = aEditDoc.InsertText( aPaM, aLine );
             else
             {
-                sal_uInt32 nStart2 = 0;
-                while ( nStart2 < aLine.Len() )
+                sal_Int32 nStart2 = 0;
+                while ( nStart2 < aLine.getLength() )
                 {
-                    sal_uInt32 nEnd2 = aLine.Search( '\t', static_cast<xub_StrLen>(nStart2) );
-                    if ( nEnd2 == STRING_NOTFOUND )
-                        nEnd2 = aLine.Len();    // not dereference!
+                    sal_Int32 nEnd2 = aLine.indexOf( "\t", nStart2 );
+                    if ( nEnd2 == -1 )
+                        nEnd2 = aLine.getLength();    // not dereference!
 
                     if ( nEnd2 > nStart2 )
-                        aPaM = aEditDoc.InsertText( aPaM, XubString( aLine,
-                                    static_cast<xub_StrLen>(nStart2),
-                                    static_cast<xub_StrLen>(nEnd2-nStart2) ) );
-                    if ( nEnd2 < aLine.Len() )
+                        aPaM = aEditDoc.InsertText( aPaM, aLine.copy( nStart2, nEnd2-nStart2 ) );
+                    if ( nEnd2 < aLine.getLength() )
                     {
                         aPaM = aEditDoc.InsertFeature( aPaM, aTabItem );
                     }
@@ -2738,12 +2736,12 @@ EditPaM ImpEditEngine::ImpInsertText(const EditSelection& aCurSel, const OUStrin
                 if (pWrongs && !pWrongs->empty())
                     pWrongs->ClearWrongs( aCurWord.Min().GetIndex(), aPaM.GetIndex(), aPaM.GetNode() );
                 // ... and mark both words as 'to be checked again'
-                pPortion->MarkInvalid( aCurWord.Min().GetIndex(), aLine.Len() );
+                pPortion->MarkInvalid( aCurWord.Min().GetIndex(), aLine.getLength() );
             }
             else
-                pPortion->MarkInvalid( aCurPaM.GetIndex(), aLine.Len() );
+                pPortion->MarkInvalid( aCurPaM.GetIndex(), aLine.getLength() );
         }
-        if ( nEnd < aText.Len() )
+        if ( nEnd < aText.getLength() )
             aPaM = ImpInsertParaBreak( aPaM );
 
         nStart = nEnd+1;
@@ -3477,7 +3475,7 @@ uno::Reference< datatransfer::XTransferable > ImpEditEngine::CreateTransferable(
             if ( pFld && pFld->ISA( SvxURLField ) )
             {
                 // Office-Bookmark
-                String aURL( ((const SvxURLField*)pFld)->GetURL() );
+                OUString aURL( ((const SvxURLField*)pFld)->GetURL() );
                 pDataObj->GetURL() = aURL;
             }
         }
diff --git a/editeng/source/editeng/impedit4.cxx b/editeng/source/editeng/impedit4.cxx
index 42340d8dd1d1..4d4b41d9ee03 100644
--- a/editeng/source/editeng/impedit4.cxx
+++ b/editeng/source/editeng/impedit4.cxx
@@ -153,7 +153,7 @@ EditPaM ImpEditEngine::ReadXML( SvStream& rInput, EditSelection aSel )
 EditPaM ImpEditEngine::ReadRTF( SvStream& rInput, EditSelection aSel )
 {
 #if (OSL_DEBUG_LEVEL > 2) && !defined( UNX )
-    SvFileStream aRTFOut( String( RTL_CONSTASCII_USTRINGPARAM ( "d:\\rtf_in.rtf" ) ), STREAM_WRITE );
+    SvFileStream aRTFOut( OUString( "d:\\rtf_in.rtf" ), STREAM_WRITE );
     aRTFOut << rInput;
     aRTFOut.Close();
     rInput.Seek( 0 );
@@ -690,7 +690,7 @@ sal_uInt32 ImpEditEngine::WriteRTF( SvStream& rOutput, EditSelection aSel )
 
 #if (OSL_DEBUG_LEVEL > 2) && !defined( UNX )
     {
-        SvFileStream aStream( String( RTL_CONSTASCII_USTRINGPARAM ( "d:\\rtf_out.rtf" ) ), STREAM_WRITE|STREAM_TRUNC );
+        SvFileStream aStream( OUString( "d:\\rtf_out.rtf" ), STREAM_WRITE|STREAM_TRUNC );
         sal_uLong nP = rOutput.Tell();
         rOutput.Seek( 0 );
         aStream << rOutput;
@@ -1685,7 +1685,7 @@ void ImpEditEngine::ImpConvert( OUString &rConvTxt, LanguageType &rConvTxtLang,
 
     // looks for next convertible text portion to be passed on to the wrapper
 
-    String aRes;
+    OUString aRes;
     LanguageType nResLang = LANGUAGE_NONE;
 
     /* ContentNode* pLastNode = */ aEditDoc.GetObject( aEditDoc.Count()-1 );
@@ -1693,9 +1693,9 @@ void ImpEditEngine::ImpConvert( OUString &rConvTxt, LanguageType &rConvTxtLang,
     EditPaM aPos( CreateEditPaM( pConvInfo->aConvContinue ) );
     EditSelection aCurSel = EditSelection( aPos, aPos );
 
-    String aWord;
+    OUString aWord;
 
-    while (!aRes.Len())
+    while (aRes.isEmpty())
     {
         // empty paragraph found that needs to have language and font set?
         if (bAllowImplicitChangesForNotConvertibleText &&
@@ -1825,11 +1825,11 @@ void ImpEditEngine::ImpConvert( OUString &rConvTxt, LanguageType &rConvTxtLang,
 
         aWord = GetSelected( aCurSel );
 
-        if ( aWord.Len() > 0 /* && bLangOk */)
+        if ( !aWord.isEmpty() /* && bLangOk */)
             aRes = aWord;
 
         // move to next word/paragraph if necessary
-        if ( !aRes.Len() )
+        if ( aRes.isEmpty() )
             aCurSel = WordRight( aCurSel.Min(), ::com::sun::star::i18n::WordType::DICTIONARY_WORD );
 
         pConvInfo->aConvContinue = CreateEPaM( aCurSel.Max() );
@@ -1854,7 +1854,7 @@ Reference< XSpellAlternatives > ImpEditEngine::ImpSpell( EditView* pEditView )
     EditSelection aCurSel( pEditView->pImpEditView->GetEditSelection() );
     aCurSel.Min() = aCurSel.Max();
 
-    String aWord;
+    OUString aWord;
     Reference< XSpellAlternatives > xSpellAlt;
     Sequence< PropertyValue > aEmptySeq;
     while (!xSpellAlt.is())
@@ -1882,17 +1882,17 @@ Reference< XSpellAlternatives > ImpEditEngine::ImpSpell( EditView* pEditView )
 
         // If afterwards a dot, this must be handed over!
         // If an abbreviation ...
-        if ( aWord.Len() && ( aCurSel.Max().GetIndex() < aCurSel.Max().GetNode()->Len() ) )
+        if ( !aWord.isEmpty() && ( aCurSel.Max().GetIndex() < aCurSel.Max().GetNode()->Len() ) )
         {
             sal_Unicode cNext = aCurSel.Max().GetNode()->GetChar( aCurSel.Max().GetIndex() );
             if ( cNext == '.' )
             {
                 aCurSel.Max().GetIndex()++;
-                aWord += cNext;
+                aWord += OUString(cNext);
             }
         }
 
-        if ( aWord.Len() > 0 )
+        if ( !aWord.isEmpty() )
         {
             LanguageType eLang = GetLanguage( aCurSel.Max() );
             SvxSpellWrapper::CheckSpellLang( xSpeller, eLang );
@@ -1924,7 +1924,7 @@ Reference< XSpellAlternatives > ImpEditEngine::ImpFindNextError(EditSelection& r
     aEditDoc.GetObject( (aEditDoc.Count()-1) );
     EditSelection aCurSel( rSelection.Min() );
 
-    String aWord;
+    OUString aWord;
     Reference< XSpellAlternatives > xSpellAlt;
     Sequence< PropertyValue > aEmptySeq;
     while (!xSpellAlt.is())
@@ -1941,17 +1941,17 @@ Reference< XSpellAlternatives > ImpEditEngine::ImpFindNextError(EditSelection& r
 
         // If afterwards a dot, this must be handed over!
         // If an abbreviation ...
-        if ( aWord.Len() && ( aCurSel.Max().GetIndex() < aCurSel.Max().GetNode()->Len() ) )
+        if ( !aWord.isEmpty() && ( aCurSel.Max().GetIndex() < aCurSel.Max().GetNode()->Len() ) )
         {
             sal_Unicode cNext = aCurSel.Max().GetNode()->GetChar( aCurSel.Max().GetIndex() );
             if ( cNext == '.' )
             {
                 aCurSel.Max().GetIndex()++;
-                aWord += cNext;
+                aWord += OUString(cNext);
             }
         }
 
-        if ( aWord.Len() > 0 )
+        if ( !aWord.isEmpty() )
             xSpellAlt = xSpeller->spell( aWord, GetLanguage( aCurSel.Max() ), aEmptySeq );
 
         if ( !xSpellAlt.is() )
@@ -2463,7 +2463,7 @@ EESpellState ImpEditEngine::HasSpellErrors()
     ContentNode* pLastNode = aEditDoc.GetObject( aEditDoc.Count() - 1 );
     EditSelection aCurSel( aEditDoc.GetStartPaM() );
 
-    String aWord;
+    OUString aWord;
     Reference< XSpellAlternatives > xSpellAlt;
     Sequence< PropertyValue > aEmptySeq;
     while ( !xSpellAlt.is() )
@@ -2476,7 +2476,7 @@ EESpellState ImpEditEngine::HasSpellErrors()
 
         aCurSel = SelectWord( aCurSel, ::com::sun::star::i18n::WordType::DICTIONARY_WORD );
         aWord = GetSelected( aCurSel );
-        if ( aWord.Len() > 0 )
+        if ( !aWord.isEmpty() )
         {
             LanguageType eLang = GetLanguage( aCurSel.Max() );
             SvxSpellWrapper::CheckSpellLang( xSpeller, eLang );
@@ -2498,7 +2498,7 @@ EESpellState ImpEditEngine::StartThesaurus( EditView* pEditView )
     EditSelection aCurSel( pEditView->pImpEditView->GetEditSelection() );
     if ( !aCurSel.HasRange() )
         aCurSel = SelectWord( aCurSel, ::com::sun::star::i18n::WordType::DICTIONARY_WORD );
-    String aWord( GetSelected( aCurSel ) );
+    OUString aWord( GetSelected( aCurSel ) );
 
     Reference< XThesaurus > xThes( SvxGetThesaurus() );
     if (!xThes.is())
@@ -2716,10 +2716,10 @@ namespace
 {
     struct eeTransliterationChgData
     {
-        sal_uInt16                      nStart;
+        sal_uInt16                  nStart;
         xub_StrLen                  nLen;
         EditSelection               aSelection;
-        String                      aNewText;
+        OUString                    aNewText;
         uno::Sequence< sal_Int32 >  aOffsets;
     };
 }
@@ -2819,11 +2819,11 @@ EditSelection ImpEditEngine::TransliterateText( const EditSelection& rSelection,
                 sal_Int32 nLen = nCurrentEnd - nCurrentStart;
                 DBG_ASSERT( nLen > 0, "invalid word length of 0" );
 #if OSL_DEBUG_LEVEL > 1
-                String aText(aNodeStr.Copy(nCurrentStart, nLen) );
+                OUString aText(aNodeStr.copy(nCurrentStart, nLen) );
 #endif
 
                 Sequence< sal_Int32 > aOffsets;
-                String aNewText( aTranslitarationWrapper.transliterate(aNodeStr,
+                OUString aNewText( aTranslitarationWrapper.transliterate(aNodeStr,
                         GetLanguage( EditPaM( pNode, nCurrentStart + 1 ) ),
                         nCurrentStart, nLen, &aOffsets ));
 
@@ -2837,7 +2837,7 @@ EditSelection ImpEditEngine::TransliterateText( const EditSelection& rSelection,
                     aChanges.push_back( aChgData );
                 }
 #if OSL_DEBUG_LEVEL > 1
-                String aSelTxt ( GetSelected( aChgData.aSelection ) );
+                OUString aSelTxt ( GetSelected( aChgData.aSelection ) );
                 (void) aSelTxt;
 #endif
 
@@ -2907,11 +2907,11 @@ EditSelection ImpEditEngine::TransliterateText( const EditSelection& rSelection,
                 sal_Int32 nLen = nCurrentEnd - nCurrentStart;
                 DBG_ASSERT( nLen > 0, "invalid word length of 0" );
 #if OSL_DEBUG_LEVEL > 1
-                String aText( aNodeStr.Copy( nCurrentStart, nLen ) );
+                OUString aText( aNodeStr.copy( nCurrentStart, nLen ) );
 #endif
 
                 Sequence< sal_Int32 > aOffsets;
-                String aNewText( aTranslitarationWrapper.transliterate( aNodeStr,
+                OUString aNewText( aTranslitarationWrapper.transliterate( aNodeStr,
                         GetLanguage( EditPaM( pNode, nCurrentStart + 1 ) ),
                         nCurrentStart, nLen, &aOffsets ));
 
@@ -2951,7 +2951,7 @@ EditSelection ImpEditEngine::TransliterateText( const EditSelection& rSelection,
                 xub_StrLen nLen = nCurrentEnd - nCurrentStart;
 
                 Sequence< sal_Int32 > aOffsets;
-                String aNewText( aTranslitarationWrapper.transliterate( aNodeStr, nLanguage, nCurrentStart, nLen, &aOffsets ) );
+                OUString aNewText( aTranslitarationWrapper.transliterate( aNodeStr, nLanguage, nCurrentStart, nLen, &aOffsets ) );
 
                 if (!aNodeStr.Equals( aNewText, nCurrentStart, nLen ))
                 {
@@ -3003,7 +3003,7 @@ EditSelection ImpEditEngine::TransliterateText( const EditSelection& rSelection,
                 eeTransliterationChgData& rData = aChanges[ aChanges.size() - 1 - i ];
 
                 bChanges = sal_True;
-                if (rData.nLen != rData.aNewText.Len())
+                if (rData.nLen != rData.aNewText.getLength())
                     bLenChanged = sal_True;
 
                 // Change text without loosing the attributes
@@ -3018,7 +3018,7 @@ EditSelection ImpEditEngine::TransliterateText( const EditSelection& rSelection,
                 ParaPortion* pParaPortion = GetParaPortions()[nSelNode];
                 pParaPortion->MarkSelectionInvalid( rData.nStart,
                         std::max< sal_uInt16 >( rData.nStart + rData.nLen,
-                                            rData.nStart + rData.aNewText.Len() ) );
+                                            rData.nStart + rData.aNewText.getLength() ) );
             }
         }
     }
diff --git a/editeng/source/editeng/textconv.cxx b/editeng/source/editeng/textconv.cxx
index 4e132e26b69e..00ba1e6c4cd0 100644
--- a/editeng/source/editeng/textconv.cxx
+++ b/editeng/source/editeng/textconv.cxx
@@ -492,9 +492,9 @@ void TextConvWrapper::ChangeText( const OUString &rNewText,
                     nChgLen = nIndex - nChgPos;
                     nConvChgLen = nPos - nConvChgPos;
 #ifdef DEBUG
-                    String aInOrig( rOrigText.copy( nChgPos, nChgLen ) );
+                    OUString aInOrig( rOrigText.copy( nChgPos, nChgLen ) );
 #endif
-                    String aInNew( rNewText.copy( nConvChgPos, nConvChgLen ) );
+                    OUString aInNew( rNewText.copy( nConvChgPos, nConvChgLen ) );
 
                     // set selection to sub string to be replaced in original text
                     ESelection aSel( *pESelection );
@@ -503,7 +503,7 @@ void TextConvWrapper::ChangeText( const OUString &rNewText,
                     aSel.nEndPos   = nChgInNodeStartIndex + nChgLen;
                     m_pEditView->SetSelection( aSel );
 #ifdef DEBUG
-                    String aSelTxt1( m_pEditView->GetSelected() );
+                    OUString aSelTxt1( m_pEditView->GetSelected() );
 #endif
 
                     // replace selected sub string with the corresponding
@@ -551,12 +551,12 @@ void TextConvWrapper::ChangeText_impl( const OUString &rNewText, bool bKeepAttri
         SfxItemSet aSet( m_pEditView->GetAttribs() );
 
 #ifdef DEBUG
-        String aSelTxt1( m_pEditView->GetSelected() );
+        OUString aSelTxt1( m_pEditView->GetSelected() );
 #endif
         // replace old text and select new text
         m_pEditView->InsertText( rNewText, sal_True );
 #ifdef DEBUG
-        String aSelTxt2( m_pEditView->GetSelected() );
+        OUString aSelTxt2( m_pEditView->GetSelected() );
 #endif
 
         // since 'SetAttribs' below function like merging with the attributes