improve SfxPoolItem operator== implementations

(*) make them all call the superclass operator==
(*) make the base class check which and typeid to ensure
we are only comparing the safe subclasses together
(*) remove a couple of operator== that were not doing
anything useful

Change-Id: Ia6234aed42df04157a5d6a323dc951916a9cb316
Reviewed-on: https://gerrit.libreoffice.org/80308
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

6 files changed, 6 insertions, 27 deletions

diff --git a/editeng/source/items/bulitem.cxx b/editeng/source/items/bulitem.cxx
index 9518cf4abbe9..46f6271f2c33 100644
--- a/editeng/source/items/bulitem.cxx
+++ b/editeng/source/items/bulitem.cxx
@@ -87,7 +87,7 @@ void SvxBulletItem::CopyValidProperties( const SvxBulletItem& rCopyFrom )
 
 bool SvxBulletItem::operator==( const SfxPoolItem& rItem ) const
 {
-    DBG_ASSERT(dynamic_cast< const SvxBulletItem* >(&rItem) !=  nullptr,"operator==Types not matching");
+    assert(SfxPoolItem::operator==(rItem));
     const SvxBulletItem& rBullet = static_cast<const SvxBulletItem&>(rItem);
     // Compare with ValidMask, otherwise no put possible in an AttrSet if the
     // item differs only in terms of the ValidMask from an existing one.
diff --git a/editeng/source/items/numitem.cxx b/editeng/source/items/numitem.cxx
index e35682e04fbe..67cf0373cc37 100644
--- a/editeng/source/items/numitem.cxx
+++ b/editeng/source/items/numitem.cxx
@@ -938,7 +938,8 @@ SvxNumBulletItem::~SvxNumBulletItem()
 
 bool SvxNumBulletItem::operator==( const SfxPoolItem& rCopy) const
 {
-    return *pNumRule == *static_cast<const SvxNumBulletItem&>(rCopy).pNumRule;
+    return SfxPoolItem::operator==(rCopy) &&
+        *pNumRule == *static_cast<const SvxNumBulletItem&>(rCopy).pNumRule;
 }
 
 SfxPoolItem*  SvxNumBulletItem::Clone( SfxItemPool * ) const
diff --git a/editeng/source/items/paraitem.cxx b/editeng/source/items/paraitem.cxx
index 2194b3ed9e5a..ed159e14ed08 100644
--- a/editeng/source/items/paraitem.cxx
+++ b/editeng/source/items/paraitem.cxx
@@ -1061,8 +1061,6 @@ bool SvxPageModelItem::PutValue( const css::uno::Any& rVal, sal_uInt8 nMemberId
 
 bool SvxPageModelItem::operator==( const SfxPoolItem& rAttr ) const
 {
-    assert(SfxPoolItem::operator==(rAttr));
-
     return SfxStringItem::operator==(rAttr) &&
            bAuto == static_cast<const SvxPageModelItem&>( rAttr ).bAuto;
 }
@@ -1217,11 +1215,6 @@ bool SvxParaVertAlignItem::PutValue( const css::uno::Any& rVal,
         return false;
 }
 
-bool SvxParaVertAlignItem::operator==( const SfxPoolItem& rItem ) const
-{
-    assert(SfxPoolItem::operator==(rItem));
-    return SfxUInt16Item::operator==( rItem );
-}
 
 
 SvxParaGridItem::SvxParaGridItem( bool bOn, const sal_uInt16 nId )
diff --git a/editeng/source/items/textitem.cxx b/editeng/source/items/textitem.cxx
index e4ce386c68c9..ffb4e63e2e21 100644
--- a/editeng/source/items/textitem.cxx
+++ b/editeng/source/items/textitem.cxx
@@ -1040,8 +1040,7 @@ bool SvxTextLineItem::PutValue( const uno::Any& rVal, sal_uInt8 nMemberId )
 
 bool SvxTextLineItem::operator==( const SfxPoolItem& rItem ) const
 {
-    assert(SfxPoolItem::operator==(rItem));
-    return SfxEnumItem::operator==( static_cast<const SfxEnumItem<FontLineStyle>&>(rItem) ) &&
+    return SfxEnumItem::operator==( rItem ) &&
            GetColor() == static_cast<const SvxTextLineItem&>(rItem).GetColor();
 }
 
@@ -2241,12 +2240,6 @@ bool SvxTextRotateItem::PutValue(const css::uno::Any& rVal, sal_uInt8 nMemberId)
     return bRet;
 }
 
-bool SvxTextRotateItem::operator==(const SfxPoolItem& rItem) const
-{
-    assert(SfxPoolItem::operator==(rItem));
-    return SfxUInt16Item::operator==(rItem);
-}
-
 void SvxTextRotateItem::dumpAsXml(xmlTextWriterPtr pWriter) const
 {
     xmlTextWriterStartElement(pWriter, BAD_CAST("SvxTextRotateItem"));
diff --git a/editeng/source/items/writingmodeitem.cxx b/editeng/source/items/writingmodeitem.cxx
index dfa2df0de9cd..2fa4ce5ebbd4 100644
--- a/editeng/source/items/writingmodeitem.cxx
+++ b/editeng/source/items/writingmodeitem.cxx
@@ -38,13 +38,6 @@ SvxWritingModeItem::~SvxWritingModeItem()
 {
 }
 
-bool SvxWritingModeItem::operator==( const SfxPoolItem& rCmp ) const
-{
-    assert(SfxPoolItem::operator==(rCmp));
-
-    return GetValue() == static_cast<const SvxWritingModeItem&>(rCmp).GetValue();
-}
-
 SfxPoolItem* SvxWritingModeItem::Clone( SfxItemPool * ) const
 {
     return new SvxWritingModeItem( *this );
diff --git a/editeng/source/items/xmlcnitm.cxx b/editeng/source/items/xmlcnitm.cxx
index 4e0c25c9c239..be38d75ab5f4 100644
--- a/editeng/source/items/xmlcnitm.cxx
+++ b/editeng/source/items/xmlcnitm.cxx
@@ -53,9 +53,8 @@ SvXMLAttrContainerItem::~SvXMLAttrContainerItem()
 
 bool SvXMLAttrContainerItem::operator==( const SfxPoolItem& rItem ) const
 {
-    DBG_ASSERT( dynamic_cast< const SvXMLAttrContainerItem* >(&rItem) !=  nullptr,
-               "SvXMLAttrContainerItem::operator ==(): Bad type");
-    return *pImpl == *static_cast<const SvXMLAttrContainerItem&>(rItem).pImpl;
+    return SfxPoolItem::operator==(rItem) &&
+        *pImpl == *static_cast<const SvXMLAttrContainerItem&>(rItem).pImpl;
 }
 
 bool SvXMLAttrContainerItem::GetPresentation(