TypedWhichId in sw(2)

Change-Id: I68816c196f36d92fcd1ed58826368bbfe9aa52ce
Reviewed-on: https://gerrit.libreoffice.org/49224Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/filter/ww8/docxattributeoutput.cxx

@@ -6757,7 +6757,7 @@ void DocxAttributeOutput::CharEscapement( const SvxEscapementItem& rEscapement )
         m_pSerializer->singleElementNS( XML_w, XML_vertAlign,
            FSNS( XML_w, XML_val ), sIss.getStr(), FSEND );
 
-    const SvxFontHeightItem& rItem = static_cast<const SvxFontHeightItem&>(m_rExport.GetItem(RES_CHRATR_FONTSIZE));
+    const SvxFontHeightItem& rItem = m_rExport.GetItem(RES_CHRATR_FONTSIZE);
     if (sIss.isEmpty() || sIss.match(OString("baseline")))
     {
         long nHeight = rItem.GetHeight();

sw/source/filter/ww8/rtfattributeoutput.cxx

@@ -2229,8 +2229,7 @@ void RtfAttributeOutput::CharEscapement(const SvxEscapementItem& rEscapement)
 
     const char* pUpDn;
 
-    SwTwips nH
-        = static_cast<const SvxFontHeightItem&>(m_rExport.GetItem(RES_CHRATR_FONTSIZE)).GetHeight();
+    SwTwips nH = m_rExport.GetItem(RES_CHRATR_FONTSIZE).GetHeight();
 
     if (0 < rEscapement.GetEsc())
         pUpDn = OOO_STRING_SVTOOLS_RTF_UP;
@@ -2752,7 +2751,7 @@ void RtfAttributeOutput::ParaTabStop(const SvxTabStopItem& rTabStop)
     // Tabs are absolute by default.
     if (m_rExport.m_pDoc->getIDocumentSettingAccess().get(
             DocumentSettingId::TABS_RELATIVE_TO_INDENT))
-        nOffset = static_cast<const SvxLRSpaceItem&>(m_rExport.GetItem(RES_LR_SPACE)).GetTextLeft();
+        nOffset = m_rExport.GetItem(RES_LR_SPACE).GetTextLeft();
 
     for (sal_uInt16 n = 0; n < rTabStop.Count(); n++)
     {

sw/source/filter/ww8/wrtww8.hxx

@@ -612,6 +612,10 @@ public:
     }
 
     const SfxPoolItem& GetItem( sal_uInt16 nWhich ) const;
+    template<class T> const T& GetItem( TypedWhichId<T> nWhich ) const
+    {
+        return static_cast<const T&>(GetItem(sal_uInt16(nWhich)));
+    }
 
     /// Find the reference.
     bool HasRefToObject( sal_uInt16 nTyp, const OUString* pName, sal_uInt16 nSeqNo );
@@ -1405,7 +1409,7 @@ public:
 
     virtual const SfxPoolItem* HasTextItem( sal_uInt16 nWhich ) const = 0;
     virtual const SfxPoolItem& GetItem( sal_uInt16 nWhich ) const = 0;
-};
+ };
 
 /// Used to export formatted text associated to drawings.
 class MSWord_SdrAttrIter : public MSWordAttrIter

sw/source/filter/ww8/wrtww8gr.cxx

@@ -420,8 +420,7 @@ void WW8Export::OutGrf(const ww8::Frame &rFrame)
                 SwTwips nHeight = rFlyFormat.GetFrameSize().GetHeight();
                 nHeight/=20; //nHeight was in twips, want it in half points, but
                              //then half of total height.
-                long nFontHeight = static_cast<const SvxFontHeightItem&>(
-                    GetItem(RES_CHRATR_FONTSIZE)).GetHeight();
+                long nFontHeight = GetItem(RES_CHRATR_FONTSIZE).GetHeight();
                 nHeight-=nFontHeight/20;
 
                 Set_UInt16( pArr, NS_sprm::sprmCHpsPos );

sw/source/filter/ww8/ww8atr.cxx

@@ -1387,8 +1387,7 @@ void WW8AttributeOutput::CharEscapement( const SvxEscapementItem& rEscapement )
 
     if ( 0 == b || 0xFF == b )
     {
-        long nHeight = static_cast<const SvxFontHeightItem&>(m_rWW8Export.GetItem(
-                                    RES_CHRATR_FONTSIZE )).GetHeight();
+        long nHeight = m_rWW8Export.GetItem( RES_CHRATR_FONTSIZE ).GetHeight();
         m_rWW8Export.InsUInt16( NS_sprm::sprmCHpsPos );
 
         m_rWW8Export.InsUInt16( static_cast<short>(( nHeight * nEsc + 500 ) / 1000 ));

sw/source/filter/ww8/ww8par.cxx

@@ -2418,7 +2418,7 @@ bool SwWW8ImplReader::SetSpacing(SwPaM &rMyPam, int nSpace, bool bIsUpper )
         bool bRet = false;
         const SwPosition* pSpacingPos = rMyPam.GetPoint();
 
-        const SvxULSpaceItem* pULSpaceItem = static_cast<const SvxULSpaceItem*>(m_xCtrlStck->GetFormatAttr(*pSpacingPos, RES_UL_SPACE));
+        const SvxULSpaceItem* pULSpaceItem = m_xCtrlStck->GetFormatAttr(*pSpacingPos, RES_UL_SPACE);
 
         if(pULSpaceItem != nullptr)
         {

sw/source/filter/ww8/ww8par.hxx

@@ -408,6 +408,10 @@ public:
     void SetToggleBiDiAttrFlags(sal_uInt16 nFlags) {nToggleBiDiAttrFlags = nFlags;}
 
     const SfxPoolItem* GetFormatAttr(const SwPosition& rPos, sal_uInt16 nWhich);
+    template<class T> const T* GetFormatAttr( const SwPosition& rPos, TypedWhichId<T> nWhich )
+    {
+        return static_cast<const T*>(GetFormatAttr(rPos, sal_uInt16(nWhich)));
+    }
     const SfxPoolItem* GetStackAttr(const SwPosition& rPos, sal_uInt16 nWhich);
 };