mark these as const

writerfilter/source/rtftok/rtfdocumentimpl.cxx

@@ -332,7 +332,7 @@ void RTFDocumentImpl::setAuthor(rtl::OUString& rAuthor)
     m_aAuthor = rAuthor;
 }
 
-bool RTFDocumentImpl::isSubstream()
+bool RTFDocumentImpl::isSubstream() const
 {
     return m_bIsSubstream;
 }
@@ -3153,12 +3153,12 @@ RTFParserState& RTFDocumentImpl::getState()
     return m_aStates.top();
 }
 
-int RTFDocumentImpl::getGroup()
+int RTFDocumentImpl::getGroup() const
 {
     return m_nGroup;
 }
 
-bool RTFDocumentImpl::isEmpty()
+bool RTFDocumentImpl::isEmpty() const
 {
     return m_aStates.empty();
 }

writerfilter/source/rtftok/rtfdocumentimpl.hxx

@@ -292,15 +292,15 @@ namespace writerfilter {
                 Stream& Mapper();
                 void setSubstream(bool bIsSubtream);
                 void setAuthor(rtl::OUString& rAuthor);
-                bool isSubstream();
+                bool isSubstream() const;
                 void finishSubstream();
                 void setIgnoreFirst(rtl::OUString& rIgnoreFirst);
                 void seek(sal_uInt32 nPos);
                 uno::Reference<lang::XMultiServiceFactory> getModelFactory();
                 RTFParserState& getState();
                 /// If the stack of states is empty.
-                bool isEmpty();
-                int getGroup();
+                bool isEmpty() const;
+                int getGroup() const;
                 void setDestinationText(rtl::OUString& rString);
                 /// Resolve a picture: If not inline, then anchored.
                 int resolvePict(bool bInline);