writerfilter: default style is the last one

Documentation states, and the examples confirm that
"If this attribute (w:default) is specified by multiple styles, then
the last instance of a style with this property shall be used."

Change-Id: I17f06ab8944a39341a00c479117e978a01d6af7a
Reviewed-on: https://gerrit.libreoffice.org/57510
Tested-by: Jenkins
Reviewed-by: Justin Luth <justin_luth@sil.org>

4 files changed, 32 insertions, 12 deletions

diff --git a/writerfilter/source/dmapper/DomainMapper.cxx b/writerfilter/source/dmapper/DomainMapper.cxx
index b5f3d504fb77..5e6f2b0c0a1a 100644
--- a/writerfilter/source/dmapper/DomainMapper.cxx
+++ b/writerfilter/source/dmapper/DomainMapper.cxx
@@ -2936,8 +2936,9 @@ void DomainMapper::lcl_startParagraphGroup()
     {
         if (!m_pImpl->IsInShape())
         {
-            m_pImpl->GetTopContext()->Insert( PROP_PARA_STYLE_NAME, uno::makeAny( OUString("Standard") ) ); //ConvertedStyleName
-            m_pImpl->SetCurrentParaStyleName("Standard");
+            const OUString& sDefaultParaStyle = m_pImpl->GetDefaultParaStyleName();
+            m_pImpl->GetTopContext()->Insert( PROP_PARA_STYLE_NAME, uno::makeAny( sDefaultParaStyle ) );
+            m_pImpl->SetCurrentParaStyleName( sDefaultParaStyle );
         }
         if (m_pImpl->isBreakDeferred(PAGE_BREAK))
             m_pImpl->GetTopContext()->Insert(PROP_BREAK_TYPE, uno::makeAny(style::BreakType_PAGE_BEFORE));
diff --git a/writerfilter/source/dmapper/DomainMapper_Impl.cxx b/writerfilter/source/dmapper/DomainMapper_Impl.cxx
index 2939902f03ca..8c3c59243aa0 100644
--- a/writerfilter/source/dmapper/DomainMapper_Impl.cxx
+++ b/writerfilter/source/dmapper/DomainMapper_Impl.cxx
@@ -209,6 +209,7 @@ DomainMapper_Impl::DomainMapper_Impl(
         m_pLastSectionContext( ),
         m_pLastCharacterContext(),
         m_sCurrentParaStyleName(),
+        m_sDefaultParaStyleName(),
         m_bInStyleSheetImport( false ),
         m_bInAnyTableImport( false ),
         m_bInHeaderFooterImport( false ),
@@ -664,6 +665,25 @@ const OUString DomainMapper_Impl::GetCurrentParaStyleName()
     return sName;
 }
 
+const OUString DomainMapper_Impl::GetDefaultParaStyleName()
+{
+    // After import the default style won't change and is frequently requested: cache the LO style name.
+    // TODO assert !InStyleSheetImport? This function really only makes sense once import is finished anyway.
+    if ( m_sDefaultParaStyleName.isEmpty() )
+    {
+        const StyleSheetEntryPtr pEntry = GetStyleSheetTable()->FindDefaultParaStyle();
+        if ( pEntry && !pEntry->sConvertedStyleName.isEmpty() )
+        {
+            if ( !m_bInStyleSheetImport )
+                m_sDefaultParaStyleName = pEntry->sConvertedStyleName;
+            return pEntry->sConvertedStyleName;
+        }
+        else
+            return OUString( "Standard");
+    }
+    return m_sDefaultParaStyleName;
+}
+
 /*-------------------------------------------------------------------------
     returns the value from the current paragraph style - if available
   -----------------------------------------------------------------------*/
diff --git a/writerfilter/source/dmapper/DomainMapper_Impl.hxx b/writerfilter/source/dmapper/DomainMapper_Impl.hxx
index 555c2dd35bb9..013f8aaa5799 100644
--- a/writerfilter/source/dmapper/DomainMapper_Impl.hxx
+++ b/writerfilter/source/dmapper/DomainMapper_Impl.hxx
@@ -475,6 +475,7 @@ private:
 
     ::std::vector<DeletableTabStop> m_aCurrentTabStops;
     OUString                        m_sCurrentParaStyleName; //highly inaccurate. Overwritten by "overlapping" paragraphs like comments, flys.
+    OUString                        m_sDefaultParaStyleName; //caches the ConvertedStyleName of the default paragraph style
     bool                            m_bInStyleSheetImport; //in import of fonts, styles, lists or lfos
     bool                            m_bInAnyTableImport; //in import of fonts, styles, lists or lfos
     bool                            m_bInHeaderFooterImport;
@@ -694,6 +695,7 @@ public:
 
     void            SetCurrentParaStyleName(const OUString& sStringValue) {m_sCurrentParaStyleName = sStringValue;}
     const OUString  GetCurrentParaStyleName();
+    const OUString  GetDefaultParaStyleName();
 
     css::uno::Any GetPropertyFromStyleSheet(PropertyIds eId);
     void        SetStyleSheetImport( bool bSet ) { m_bInStyleSheetImport = bSet;}
diff --git a/writerfilter/source/dmapper/StyleSheetTable.cxx b/writerfilter/source/dmapper/StyleSheetTable.cxx
index 4780ceefb829..2c7307a68d5c 100644
--- a/writerfilter/source/dmapper/StyleSheetTable.cxx
+++ b/writerfilter/source/dmapper/StyleSheetTable.cxx
@@ -258,6 +258,7 @@ struct StyleSheetTable_Impl
     StringPairMap_t                         m_aStyleNameMap;
     /// Style names which should not be used without a " (user)" suffix.
     std::set<OUString>                      m_aReservedStyleNames;
+    OUString                                m_sDefaultParaStyleName; //WW8 name
     ListCharStylePropertyVector_t           m_aListCharStylePropertyVector;
     bool                                    m_bHasImportedDefaultParaProps;
     bool                                    m_bIsNewDoc;
@@ -282,6 +283,7 @@ StyleSheetTable_Impl::StyleSheetTable_Impl(DomainMapper& rDMapper,
             m_pCurrentEntry(),
             m_pDefaultParaProps(new PropertyMap),
             m_pDefaultCharProps(new PropertyMap),
+            m_sDefaultParaStyleName("Normal"),
             m_bHasImportedDefaultParaProps(false),
             m_bIsNewDoc(bIsNewDoc)
 {
@@ -456,6 +458,10 @@ void StyleSheetTable::lcl_attribute(Id Name, Value & val)
 
             if (m_pImpl->m_pCurrentEntry->nStyleTypeCode != STYLE_TYPE_UNKNOWN)
             {
+                // "If this attribute is specified by multiple styles, then the last instance shall be used."
+                if ( m_pImpl->m_pCurrentEntry->nStyleTypeCode == STYLE_TYPE_PARA && !m_pImpl->m_pCurrentEntry->sStyleIdentifierD.isEmpty() )
+                    m_pImpl->m_sDefaultParaStyleName = m_pImpl->m_pCurrentEntry->sStyleIdentifierD;
+
                 beans::PropertyValue aValue;
                 aValue.Name = "default";
                 aValue.Value <<= m_pImpl->m_pCurrentEntry->bIsDefaultStyle;
@@ -1272,16 +1278,7 @@ const StyleSheetEntryPtr StyleSheetTable::FindStyleSheetByConvertedStyleName(con
 
 const StyleSheetEntryPtr StyleSheetTable::FindDefaultParaStyle()
 {
-    StyleSheetEntryPtr pRet;
-    for (StyleSheetEntryPtr & pEntry : m_pImpl->m_aStyleSheetEntries)
-    {
-        if (pEntry->bIsDefaultStyle && pEntry->nStyleTypeCode == STYLE_TYPE_PARA)
-        {
-            pRet = pEntry;
-            break;
-        }
-    }
-    return pRet;
+    return FindStyleSheetByISTD( m_pImpl->m_sDefaultParaStyleName );
 }
 
 const StyleSheetEntryPtr StyleSheetTable::GetCurrentEntry()