Avoid temporary OUStrings

Change-Id: If178bdbf13bbea3eb810267f207855bf6e2a6bda

sw/source/core/text/porexp.cxx

@@ -35,8 +35,7 @@ bool SwExpandPortion::GetExpTxt( const SwTxtSizeInfo&, OUString &rTxt ) const
 
 void SwExpandPortion::HandlePortion( SwPortionHandler& rPH ) const
 {
-    OUString aString;
-    rPH.Special( GetLen(), aString, GetWhichPor() );
+    rPH.Special( GetLen(), OUString(), GetWhichPor() );
 }
 
 SwPosSize SwExpandPortion::GetTxtSize( const SwTxtSizeInfo &rInf ) const
@@ -199,8 +198,7 @@ bool SwBlankPortion::GetExpTxt( const SwTxtSizeInfo&, OUString &rTxt ) const
 
 void SwBlankPortion::HandlePortion( SwPortionHandler& rPH ) const
 {
-    OUString aString( cChar );
-    rPH.Special( GetLen(), aString, GetWhichPor() );
+    rPH.Special( GetLen(), OUString( cChar ), GetWhichPor() );
 }
 
 SwPostItsPortion::SwPostItsPortion( bool bScrpt )

sw/source/core/text/porlin.cxx

@@ -317,8 +317,7 @@ bool SwLinePortion::GetExpTxt( const SwTxtSizeInfo &, OUString & ) const
 
 void SwLinePortion::HandlePortion( SwPortionHandler& rPH ) const
 {
-    OUString aString;
-    rPH.Special( GetLen(), aString, GetWhichPor(), Height(), Width() );
+    rPH.Special( GetLen(), OUString(), GetWhichPor(), Height(), Width() );
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/core/text/porref.cxx

@@ -69,8 +69,7 @@ void SwIsoRefPortion::Paint( const SwTxtPaintInfo &rInf ) const
 
 void SwIsoRefPortion::HandlePortion( SwPortionHandler& rPH ) const
 {
-    OUString aString;
-    rPH.Special( GetLen(), aString, GetWhichPor() );
+    rPH.Special( GetLen(), OUString(), GetWhichPor() );
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/core/text/portox.cxx

@@ -71,8 +71,7 @@ void SwIsoToxPortion::Paint( const SwTxtPaintInfo &rInf ) const
 
 void SwIsoToxPortion::HandlePortion( SwPortionHandler& rPH ) const
 {
-    OUString aString;
-    rPH.Special( GetLen(), aString, GetWhichPor() );
+    rPH.Special( GetLen(), OUString(), GetWhichPor() );
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/core/text/txtftn.cxx

@@ -1419,9 +1419,7 @@ bool SwQuoVadisPortion::GetExpTxt( const SwTxtSizeInfo &, OUString &rTxt ) const
 
 void SwQuoVadisPortion::HandlePortion( SwPortionHandler& rPH ) const
 {
-    OUString aString( aExpand );
-    aString += aErgo;
-    rPH.Special( GetLen(), aString, GetWhichPor() );
+    rPH.Special( GetLen(), aExpand + aErgo, GetWhichPor() );
 }
 
 void SwQuoVadisPortion::Paint( const SwTxtPaintInfo &rInf ) const

sw/source/core/text/txthyph.cxx

@@ -352,8 +352,7 @@ bool SwHyphPortion::GetExpTxt( const SwTxtSizeInfo &/*rInf*/, OUString &rTxt ) c
 
 void SwHyphPortion::HandlePortion( SwPortionHandler& rPH ) const
 {
-    OUString aString( '-' );
-    rPH.Special( GetLen(), aString, GetWhichPor() );
+    rPH.Special( GetLen(), OUString('-'), GetWhichPor() );
 }
 
 bool SwHyphPortion::Format( SwTxtFormatInfo &rInf )
@@ -545,11 +544,10 @@ bool SwSoftHyphPortion::GetExpTxt( const SwTxtSizeInfo &rInf, OUString &rTxt ) c
 
 void SwSoftHyphPortion::HandlePortion( SwPortionHandler& rPH ) const
 {
-    const OUString aString( '-' );
     const sal_uInt16 nWhich = ! Width() ?
                           POR_SOFTHYPH_COMP :
                           GetWhichPor();
-    rPH.Special( GetLen(), aString, nWhich );
+    rPH.Special( GetLen(), OUString('-'), nWhich );
 }
 
 void SwSoftHyphStrPortion::Paint( const SwTxtPaintInfo &rInf ) const