pvs-studio: V728 An excessive check can be simplified

for...

"The '(A && !B) || (!A && B)' expression is equivalent to the 'bool(A) != bool(B)' expression"

subcases, where the args are already bool

Change-Id: Ica8b5c4974c513f7f7ad8acf17ca931e85ebc8af
Reviewed-on: https://gerrit.libreoffice.org/62146
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

20 files changed, 38 insertions, 74 deletions

diff --git a/chart2/source/model/template/StockChartTypeTemplate.cxx b/chart2/source/model/template/StockChartTypeTemplate.cxx
index 33fd369aad34..3a592071169f 100644
--- a/chart2/source/model/template/StockChartTypeTemplate.cxx
+++ b/chart2/source/model/template/StockChartTypeTemplate.cxx
@@ -438,11 +438,7 @@ sal_Bool SAL_CALL StockChartTypeTemplate::matchesTemplate(
                 break;
         }
 
-        if( xCandleStickChartType.is() &&
-            ( ( bHasVolume &&
-                xVolumeChartType.is() ) ||
-              ( ! bHasVolume &&
-                ! xVolumeChartType.is() )))
+        if (xCandleStickChartType.is() && bHasVolume == xVolumeChartType.is())
         {
             bResult = true;
 
diff --git a/framework/source/xml/imagesdocumenthandler.cxx b/framework/source/xml/imagesdocumenthandler.cxx
index f18df438ab4e..927e52627e97 100644
--- a/framework/source/xml/imagesdocumenthandler.cxx
+++ b/framework/source/xml/imagesdocumenthandler.cxx
@@ -147,8 +147,7 @@ void SAL_CALL OReadImagesDocumentHandler::endDocument()
 {
     SolarMutexGuard g;
 
-    if (( m_bImageContainerStartFound && !m_bImageContainerEndFound ) ||
-        ( !m_bImageContainerStartFound && m_bImageContainerEndFound )    )
+    if (m_bImageContainerStartFound != m_bImageContainerEndFound)
     {
         OUString aErrorMessage = getErrorLineString();
         aErrorMessage += "No matching start or end element 'image:imagecontainer' found!";
diff --git a/sc/source/core/opencl/formulagroupcl.cxx b/sc/source/core/opencl/formulagroupcl.cxx
index d6bfc428ccb8..0f0f5e57f134 100644
--- a/sc/source/core/opencl/formulagroupcl.cxx
+++ b/sc/source/core/opencl/formulagroupcl.cxx
@@ -1441,10 +1441,7 @@ public:
             {
 
                 pCurDVR = static_cast<const formula::DoubleVectorRefToken*>(tmpCur);
-                if (!
-                    ((!pCurDVR->IsStartFixed() && !pCurDVR->IsEndFixed())
-                        || (pCurDVR->IsStartFixed() && pCurDVR->IsEndFixed()))
-                    )
+                if (pCurDVR->IsStartFixed() != pCurDVR->IsEndFixed())
                     throw Unhandled(__FILE__, __LINE__);
             }
         }
@@ -2182,8 +2179,7 @@ static DynamicKernelArgument* VectorRefFactory( const ScCalcConfig& config, cons
     // Window being too small to justify a parallel reduction
     if (pDVR->GetRefRowSize() < REDUCE_THRESHOLD)
         return new DynamicKernelSlidingArgument<Base>(config, s, ft, pCodeGen, index);
-    if ((pDVR->IsStartFixed() && pDVR->IsEndFixed()) ||
-        (!pDVR->IsStartFixed() && !pDVR->IsEndFixed()))
+    if (pDVR->IsStartFixed() == pDVR->IsEndFixed())
         return new ParallelReductionVectorRef<Base>(config, s, ft, pCodeGen, index);
     else // Other cases are not supported as well
         return new DynamicKernelSlidingArgument<Base>(config, s, ft, pCodeGen, index);
diff --git a/sc/source/core/tool/address.cxx b/sc/source/core/tool/address.cxx
index 650d3553612c..31a9c816fd5d 100644
--- a/sc/source/core/tool/address.cxx
+++ b/sc/source/core/tool/address.cxx
@@ -961,7 +961,7 @@ static bool isValidSingleton( ScRefFlags nFlags, ScRefFlags nFlags2 )
 {
     bool bCols = (nFlags & ScRefFlags::COL_VALID) && ((nFlags & ScRefFlags::COL2_VALID) || (nFlags2 & ScRefFlags::COL_VALID));
     bool bRows = (nFlags & ScRefFlags::ROW_VALID) && ((nFlags & ScRefFlags::ROW2_VALID) || (nFlags2 & ScRefFlags::ROW_VALID));
-    return (bCols && !bRows) || (!bCols && bRows);
+    return bCols != bRows;
 }
 
 static ScRefFlags lcl_ScRange_Parse_XL_A1( ScRange& r,
diff --git a/scripting/source/basprov/basprov.cxx b/scripting/source/basprov/basprov.cxx
index ce71c003d75d..31fa993fcecc 100644
--- a/scripting/source/basprov/basprov.cxx
+++ b/scripting/source/basprov/basprov.cxx
@@ -421,8 +421,8 @@ namespace basprov
                 bool bCreate = false;
                 if ( m_bIsAppScriptCtx )
                 {
-                    bool bShared = isLibraryShared( xLibContainer, pLibNames[i] );
-                    if ( ( m_bIsUserCtx && !bShared ) || ( !m_bIsUserCtx && bShared ) )
+                    const bool bShared = isLibraryShared( xLibContainer, pLibNames[i] );
+                    if (m_bIsUserCtx != bShared)
                         bCreate = true;
                 }
                 else
diff --git a/svx/source/customshapes/EnhancedCustomShape2d.cxx b/svx/source/customshapes/EnhancedCustomShape2d.cxx
index 0cb389a9d488..307f5de5a364 100644
--- a/svx/source/customshapes/EnhancedCustomShape2d.cxx
+++ b/svx/source/customshapes/EnhancedCustomShape2d.cxx
@@ -1175,7 +1175,7 @@ bool EnhancedCustomShape2d::GetHandlePosition( const sal_uInt32 nIndex, Point& r
             if ( aGeoStat.nShearAngle )
             {
                 double nTan = aGeoStat.nTan;
-                if ((bFlipV&&!bFlipH )||(bFlipH&&!bFlipV))
+                if (bFlipV != bFlipH)
                     nTan = -nTan;
                 ShearPoint( rReturnPosition, Point( aLogicRect.GetWidth() / 2, aLogicRect.GetHeight() / 2 ), nTan );
             }
@@ -1220,7 +1220,7 @@ bool EnhancedCustomShape2d::SetHandleControllerPosition( const sal_uInt32 nIndex
             if ( aGeoStat.nShearAngle )
             {
                 double nTan = -aGeoStat.nTan;
-                if ((bFlipV&&!bFlipH )||(bFlipH&&!bFlipV))
+                if (bFlipV != bFlipH)
                     nTan = -nTan;
                 ShearPoint( aP, Point( aLogicRect.GetWidth() / 2, aLogicRect.GetHeight() / 2 ), nTan );
             }
diff --git a/svx/source/customshapes/EnhancedCustomShapeEngine.cxx b/svx/source/customshapes/EnhancedCustomShapeEngine.cxx
index aebd702737a1..55b1f7f2fa27 100644
--- a/svx/source/customshapes/EnhancedCustomShapeEngine.cxx
+++ b/svx/source/customshapes/EnhancedCustomShapeEngine.cxx
@@ -328,7 +328,7 @@ Reference< drawing::XShape > SAL_CALL EnhancedCustomShapeEngine::render()
         {
             long nShearAngle = rGeoStat.nShearAngle;
             double nTan = rGeoStat.nTan;
-            if ((bFlipV&&!bFlipH )||(bFlipH&&!bFlipV))
+            if (bFlipV != bFlipH)
             {
                 nShearAngle = -nShearAngle;
                 nTan = -nTan;
@@ -429,7 +429,7 @@ drawing::PolyPolygonBezierCoords SAL_CALL EnhancedCustomShapeEngine::getLineGeom
             {
                 long nShearAngle = rGeoStat.nShearAngle;
                 double nTan = rGeoStat.nTan;
-                if ((bFlipV&&!bFlipH )||(bFlipH&&!bFlipV))
+                if (bFlipV != bFlipH)
                 {
                     nShearAngle = -nShearAngle;
                     nTan = -nTan;
diff --git a/svx/source/engine3d/float3d.cxx b/svx/source/engine3d/float3d.cxx
index 6df52ce4d8da..85df3f93938e 100644
--- a/svx/source/engine3d/float3d.cxx
+++ b/svx/source/engine3d/float3d.cxx
@@ -955,8 +955,7 @@ void Svx3DWin::Update( SfxItemSet const & rAttrs )
     if( eState != SfxItemState::DONTCARE )
     {
         bool bOn = rAttrs.Get(SDRATTR_3DSCENE_LIGHTON_1).GetValue();
-        if( ( bOn && !GetUILightState(*m_pBtnLight1)) ||
-            ( !bOn && GetUILightState(*m_pBtnLight1)) )
+        if (bOn != GetUILightState(*m_pBtnLight1))
         {
             SetUILightState(*m_pBtnLight1, bOn);
             bUpdate = true;
@@ -1004,8 +1003,7 @@ void Svx3DWin::Update( SfxItemSet const & rAttrs )
     if( eState != SfxItemState::DONTCARE )
     {
         bool bOn = rAttrs.Get(SDRATTR_3DSCENE_LIGHTON_2).GetValue();
-        if( ( bOn && !GetUILightState(*m_pBtnLight2)) ||
-            ( !bOn && GetUILightState(*m_pBtnLight2)) )
+        if (bOn != GetUILightState(*m_pBtnLight2))
         {
             SetUILightState(*m_pBtnLight2, bOn);
             bUpdate = true;
@@ -1053,8 +1051,7 @@ void Svx3DWin::Update( SfxItemSet const & rAttrs )
     if( eState != SfxItemState::DONTCARE )
     {
         bool bOn = rAttrs.Get(SDRATTR_3DSCENE_LIGHTON_3).GetValue();
-        if( ( bOn && !GetUILightState(*m_pBtnLight3)) ||
-            ( !bOn && GetUILightState(*m_pBtnLight3)) )
+        if (bOn != GetUILightState(*m_pBtnLight3))
         {
             SetUILightState(*m_pBtnLight3, bOn);
             bUpdate = true;
@@ -1102,8 +1099,7 @@ void Svx3DWin::Update( SfxItemSet const & rAttrs )
     if( eState != SfxItemState::DONTCARE )
     {
         bool bOn = rAttrs.Get(SDRATTR_3DSCENE_LIGHTON_4).GetValue();
-        if( ( bOn && !GetUILightState(*m_pBtnLight4)) ||
-            ( !bOn && GetUILightState(*m_pBtnLight4)) )
+        if (bOn != GetUILightState(*m_pBtnLight4))
         {
             SetUILightState(*m_pBtnLight4, bOn);
             bUpdate = true;
@@ -1151,8 +1147,7 @@ void Svx3DWin::Update( SfxItemSet const & rAttrs )
     if( eState != SfxItemState::DONTCARE )
     {
         bool bOn = rAttrs.Get(SDRATTR_3DSCENE_LIGHTON_5).GetValue();
-        if( ( bOn && !GetUILightState(*m_pBtnLight5)) ||
-            ( !bOn && GetUILightState(*m_pBtnLight5)) )
+        if (bOn != GetUILightState(*m_pBtnLight5))
         {
             SetUILightState(*m_pBtnLight5, bOn);
             bUpdate = true;
@@ -1200,8 +1195,7 @@ void Svx3DWin::Update( SfxItemSet const & rAttrs )
     if( eState != SfxItemState::DONTCARE )
     {
         bool bOn = rAttrs.Get(SDRATTR_3DSCENE_LIGHTON_6).GetValue();
-        if( ( bOn && !GetUILightState(*m_pBtnLight6)) ||
-            ( !bOn && GetUILightState(*m_pBtnLight6)) )
+        if (bOn != GetUILightState(*m_pBtnLight6))
         {
             SetUILightState(*m_pBtnLight6, bOn);
             bUpdate = true;
@@ -1249,8 +1243,7 @@ void Svx3DWin::Update( SfxItemSet const & rAttrs )
     if( eState != SfxItemState::DONTCARE )
     {
         bool bOn = rAttrs.Get(SDRATTR_3DSCENE_LIGHTON_7).GetValue();
-        if( ( bOn && !GetUILightState(*m_pBtnLight7)) ||
-            ( !bOn && GetUILightState(*m_pBtnLight7)) )
+        if (bOn != GetUILightState(*m_pBtnLight7))
         {
             SetUILightState(*m_pBtnLight7 , bOn);
             bUpdate = true;
@@ -1298,8 +1291,7 @@ void Svx3DWin::Update( SfxItemSet const & rAttrs )
     if( eState != SfxItemState::DONTCARE )
     {
         bool bOn = rAttrs.Get(SDRATTR_3DSCENE_LIGHTON_8).GetValue();
-        if( ( bOn && !GetUILightState(*m_pBtnLight8)) ||
-            ( !bOn && GetUILightState(*m_pBtnLight8)) )
+        if (bOn != GetUILightState(*m_pBtnLight8))
         {
             SetUILightState(*m_pBtnLight8, bOn);
             bUpdate = true;
diff --git a/svx/source/svdraw/svdoashp.cxx b/svx/source/svdraw/svdoashp.cxx
index f1ac0921dac3..9bacffb665c7 100644
--- a/svx/source/svdraw/svdoashp.cxx
+++ b/svx/source/svdraw/svdoashp.cxx
@@ -1728,7 +1728,7 @@ void SdrObjCustomShape::ImpCheckCustomGluePointsAreAdded()
                     sal_Int32 nXDiff = aBoundRect.Left() - maRect.Left();
                     sal_Int32 nYDiff = aBoundRect.Top() - maRect.Top();
 
-                    if (nShearAngle&&((bMirroredX&&!bMirroredY)||(bMirroredY&&!bMirroredX)))
+                    if (nShearAngle && bMirroredX != bMirroredY)
                     {
                         nShearAngle = -nShearAngle;
                         fTan = -fTan;
diff --git a/svx/source/table/tablelayouter.cxx b/svx/source/table/tablelayouter.cxx
index 8231eaf9f7c4..076a0f6ed40a 100644
--- a/svx/source/table/tablelayouter.cxx
+++ b/svx/source/table/tablelayouter.cxx
@@ -735,7 +735,7 @@ void TableLayouter::LayoutTableHeight( tools::Rectangle& rArea, bool bFit )
                 else
                 {
                     bool bCellHasText = xCell->hasText();
-                    if ( (!bRowHasText && !bCellHasText) || ( bRowHasText && bCellHasText ) )
+                    if (bRowHasText == bCellHasText)
                     {
                         nMinHeight = std::max( nMinHeight, xCell->getMinimumHeight() );
                     }
diff --git a/sw/qa/extras/globalfilter/globalfilter.cxx b/sw/qa/extras/globalfilter/globalfilter.cxx
index 5c935a97ac56..f9a6a60df823 100644
--- a/sw/qa/extras/globalfilter/globalfilter.cxx
+++ b/sw/qa/extras/globalfilter/globalfilter.cxx
@@ -287,8 +287,7 @@ static uno::Reference<drawing::XShape> lcl_getShape(const uno::Reference<lang::X
         {
             Graphic aGraphic(xGraphic);
 
-            if ((bEmbedded  && aGraphic.getOriginURL().isEmpty()) ||
-                (!bEmbedded && !aGraphic.getOriginURL().isEmpty()))
+            if (bEmbedded == aGraphic.getOriginURL().isEmpty())
             {
                 xShape.set(xShapeProperties, uno::UNO_QUERY);
                 return xShape;
diff --git a/sw/source/core/bastyp/calc.cxx b/sw/source/core/bastyp/calc.cxx
index 050bf145d995..06e22ce090de 100644
--- a/sw/source/core/bastyp/calc.cxx
+++ b/sw/source/core/bastyp/calc.cxx
@@ -859,7 +859,7 @@ SwSbxValue SwCalc::Term()
                 GetToken();
                 bool bR = Prim().GetBool();
                 bool bL = left.GetBool();
-                left.PutBool( (bL && !bR) || (!bL && bR) );
+                left.PutBool(bL != bR);
             }
             break;
 
diff --git a/sw/source/core/frmedt/feshview.cxx b/sw/source/core/frmedt/feshview.cxx
index 8d2888ee166e..1a85c3aec296 100644
--- a/sw/source/core/frmedt/feshview.cxx
+++ b/sw/source/core/frmedt/feshview.cxx
@@ -1393,8 +1393,7 @@ bool SwFEShell::ShouldObjectBeSelected(const Point& rPt)
             {
                 const SwPosition& rPos = pContact->GetContentAnchor();
                 bool bInHdrFtr = GetDoc()->IsInHeaderFooter( rPos.nNode );
-                if ( ( IsHeaderFooterEdit() && !bInHdrFtr ) ||
-                     ( !IsHeaderFooterEdit() && bInHdrFtr ) )
+                if (IsHeaderFooterEdit() != bInHdrFtr)
                 {
                     bRet = false;
                 }
diff --git a/sw/source/core/layout/trvlfrm.cxx b/sw/source/core/layout/trvlfrm.cxx
index 8ca24da7f0ae..5a5da9abc580 100644
--- a/sw/source/core/layout/trvlfrm.cxx
+++ b/sw/source/core/layout/trvlfrm.cxx
@@ -67,8 +67,7 @@ namespace {
             const SvxOpaqueItem& rOpaque = pAnchoredObj->GetFrameFormat().GetOpaque();
             bool bInBackground = ( rSurround.GetSurround() == css::text::WrapTextMode_THROUGH ) && !rOpaque.GetValue();
 
-            bool bBackgroundMatches = ( bInBackground && bSearchBackground ) ||
-                                      ( !bInBackground && !bSearchBackground );
+            bool bBackgroundMatches = bInBackground == bSearchBackground;
 
             const SwFlyFrame* pFly = pObj ? pObj->GetFlyFrame() : nullptr;
             if ( pFly && bBackgroundMatches &&
diff --git a/sw/source/core/text/txtfrm.cxx b/sw/source/core/text/txtfrm.cxx
index fb3504d86da8..b6b51c9c713b 100644
--- a/sw/source/core/text/txtfrm.cxx
+++ b/sw/source/core/text/txtfrm.cxx
@@ -501,9 +501,7 @@ long SwTextFrame::SwitchVerticalToHorizontal( long nLimit ) const
 SwFrameSwapper::SwFrameSwapper( const SwTextFrame* pTextFrame, bool bSwapIfNotSwapped )
     : pFrame( pTextFrame ), bUndo( false )
 {
-    if ( pFrame->IsVertical() &&
-        ( (   bSwapIfNotSwapped && ! pFrame->IsSwapped() ) ||
-          ( ! bSwapIfNotSwapped && pFrame->IsSwapped() ) ) )
+    if (pFrame->IsVertical() && bSwapIfNotSwapped != pFrame->IsSwapped())
     {
         bUndo = true;
         const_cast<SwTextFrame*>(pFrame)->SwapWidthAndHeight();
diff --git a/sw/source/filter/ww8/writerwordglue.cxx b/sw/source/filter/ww8/writerwordglue.cxx
index c34e9f6e3e06..b803a43a1329 100644
--- a/sw/source/filter/ww8/writerwordglue.cxx
+++ b/sw/source/filter/ww8/writerwordglue.cxx
@@ -433,8 +433,7 @@ namespace sw
         {
             // Check top only if both object have a header or if
             // both object don't have a header
-            if ( (  HasHeader() &&  rOther.HasHeader() ) ||
-                 ( !HasHeader() && !rOther.HasHeader() ) )
+            if (HasHeader() == rOther.HasHeader())
             {
                 if (dyaTop != rOther.dyaTop)
                     return false;
@@ -442,8 +441,7 @@ namespace sw
 
             // Check bottom only if both object have a footer or if
             // both object don't have a footer
-            if ( (  HasFooter() &&  rOther.HasFooter() ) ||
-                 ( !HasFooter() && !rOther.HasFooter() ) )
+            if (HasFooter() == rOther.HasFooter())
             {
                 if (dyaBottom != rOther.dyaBottom)
                     return false;
diff --git a/sw/source/uibase/app/appopt.cxx b/sw/source/uibase/app/appopt.cxx
index 17bf33292a4c..2da5febfa372 100644
--- a/sw/source/uibase/app/appopt.cxx
+++ b/sw/source/uibase/app/appopt.cxx
@@ -86,9 +86,9 @@ std::unique_ptr<SfxItemSet> SwModule::CreateItemSet( sal_uInt16 nId )
             pAppView = nullptr;
         if(pAppView)
         {
-        // if Text then no WebView and vice versa
             bool bWebView = dynamic_cast<SwWebView*>( pAppView ) !=  nullptr;
-            if( (bWebView &&  !bTextDialog) ||(!bWebView &&  bTextDialog))
+            // if Text then no WebView and vice versa
+            if (bWebView != bTextDialog)
             {
                 aViewOpt = *pAppView->GetWrtShell().GetViewOptions();
             }
diff --git a/vcl/source/control/button.cxx b/vcl/source/control/button.cxx
index d81565a68666..52fe3b483573 100644
--- a/vcl/source/control/button.cxx
+++ b/vcl/source/control/button.cxx
@@ -2596,11 +2596,8 @@ bool RadioButton::PreNotify( NotifyEvent& rNEvt )
             // trigger redraw if mouse over state has changed
             if( IsNativeControlSupported(ControlType::Radiobutton, ControlPart::Entire) )
             {
-                if( ( maMouseRect.IsInside( GetPointerPosPixel()) &&
-                     !maMouseRect.IsInside( GetLastPointerPosPixel()) ) ||
-                    ( maMouseRect.IsInside( GetLastPointerPosPixel()) &&
-                     !maMouseRect.IsInside( GetPointerPosPixel()) ) ||
-                     pMouseEvt->IsLeaveWindow() || pMouseEvt->IsEnterWindow() )
+                if (maMouseRect.IsInside(GetPointerPosPixel()) != maMouseRect.IsInside(GetLastPointerPosPixel()) ||
+                    pMouseEvt->IsLeaveWindow() || pMouseEvt->IsEnterWindow())
                 {
                     Invalidate( maStateRect );
                 }
@@ -3495,11 +3492,8 @@ bool CheckBox::PreNotify( NotifyEvent& rNEvt )
             // trigger redraw if mouse over state has changed
             if( IsNativeControlSupported(ControlType::Checkbox, ControlPart::Entire) )
             {
-                if( ( maMouseRect.IsInside( GetPointerPosPixel()) &&
-                     !maMouseRect.IsInside( GetLastPointerPosPixel()) ) ||
-                    ( maMouseRect.IsInside( GetLastPointerPosPixel()) &&
-                     !maMouseRect.IsInside( GetPointerPosPixel()) ) ||
-                    pMouseEvt->IsLeaveWindow() || pMouseEvt->IsEnterWindow() )
+                if (maMouseRect.IsInside(GetPointerPosPixel()) != maMouseRect.IsInside(GetLastPointerPosPixel()) ||
+                    pMouseEvt->IsLeaveWindow() || pMouseEvt->IsEnterWindow())
                 {
                     Invalidate( maStateRect );
                 }
diff --git a/vcl/source/edit/texteng.cxx b/vcl/source/edit/texteng.cxx
index 08e1ba46212e..fd38f2413c57 100644
--- a/vcl/source/edit/texteng.cxx
+++ b/vcl/source/edit/texteng.cxx
@@ -943,11 +943,8 @@ long TextEngine::ImpGetXPos( sal_uInt32 nPara, TextLine* pLine, sal_Int32 nIndex
                 if ( ( pPortion->GetKind() == PORTIONKIND_TAB ) && ( (nTextPortion+1) < pParaPortion->GetTextPortions().size() ) )
                 {
                     TETextPortion* pNextPortion = pParaPortion->GetTextPortions()[ nTextPortion+1 ];
-                    if ( ( pNextPortion->GetKind() != PORTIONKIND_TAB ) && (
-                              ( !IsRightToLeft() && pNextPortion->IsRightToLeft() ) ||
-                              ( IsRightToLeft() && !pNextPortion->IsRightToLeft() ) ) )
+                    if (pNextPortion->GetKind() != PORTIONKIND_TAB && IsRightToLeft() != pNextPortion->IsRightToLeft())
                     {
-//                        nX += pNextPortion->GetWidth();
                         // End of the tab portion, use start of next for cursor pos
                         SAL_WARN_IF( bPreferPortionStart, "vcl", "ImpGetXPos: How can we get here!" );
                         nX = ImpGetXPos( nPara, pLine, nIndex, true );
@@ -962,8 +959,7 @@ long TextEngine::ImpGetXPos( sal_uInt32 nPara, TextLine* pLine, sal_Int32 nIndex
 
             long nPosInPortion = CalcTextWidth( nPara, nTextPortionStart, nIndex-nTextPortionStart );
 
-            if ( ( !IsRightToLeft() && !pPortion->IsRightToLeft() ) ||
-                 ( IsRightToLeft() && pPortion->IsRightToLeft() ) )
+            if (IsRightToLeft() == pPortion->IsRightToLeft())
             {
                 nX += nPosInPortion;
             }
@@ -975,9 +971,7 @@ long TextEngine::ImpGetXPos( sal_uInt32 nPara, TextLine* pLine, sal_Int32 nIndex
     }
     else // if ( nIndex == pLine->GetStart() )
     {
-        if ( ( pPortion->GetKind() != PORTIONKIND_TAB ) &&
-                ( ( !IsRightToLeft() && pPortion->IsRightToLeft() ) ||
-                ( IsRightToLeft() && !pPortion->IsRightToLeft() ) ) )
+        if (pPortion->GetKind() != PORTIONKIND_TAB && IsRightToLeft() != pPortion->IsRightToLeft())
         {
             nX += nPortionTextWidth;
         }
diff --git a/xmloff/source/style/chrlohdl.cxx b/xmloff/source/style/chrlohdl.cxx
index 2c1ffc2e0f7b..3225b4371801 100644
--- a/xmloff/source/style/chrlohdl.cxx
+++ b/xmloff/source/style/chrlohdl.cxx
@@ -147,7 +147,7 @@ bool XMLCharScriptHdl::equals( const css::uno::Any& r1, const css::uno::Any& r2
         bool bEmptyVariant2 = aLocale2.Variant.isEmpty();
         if (bEmptyVariant1 && bEmptyVariant2)
             bRet = true;
-        else if ((bEmptyVariant1 && !bEmptyVariant2) || (!bEmptyVariant1 && bEmptyVariant2))
+        else if (bEmptyVariant1 != bEmptyVariant2)
             ;   // stays false
         else
         {