Related: tdf#108524 sw: dump follow/precede of cell frames in layout xml dump

These point to the other cell frame on the previous/next page (in case
the cell frame is split across multiple pages).

Change-Id: Ic03cf9a194a49320d84dbdb5176fa737e5d6520d
Reviewed-on: https://gerrit.libreoffice.org/38818Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>

sw/source/core/inc/cellfrm.hxx

@@ -60,6 +60,7 @@ public:
     const SwCellFrame& FindStartEndOfRowSpanCell( bool bStart ) const;
     long GetLayoutRowSpan() const;
 
+    void dumpAsXmlAttributes(xmlTextWriterPtr writer) const override;
     DECL_FIXEDMEMPOOL_NEWDEL(SwCellFrame)
 };
 

sw/source/core/layout/tabfrm.cxx

@@ -5100,6 +5100,16 @@ long SwCellFrame::GetLayoutRowSpan() const
     return  nRet;
 }
 
+void SwCellFrame::dumpAsXmlAttributes(xmlTextWriterPtr pWriter) const
+{
+    SwFrame::dumpAsXmlAttributes(pWriter);
+    if (SwCellFrame* pFollow = GetFollowCell())
+        xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("follow"), "%" SAL_PRIuUINT32, pFollow->GetFrameId());
+
+    if (SwCellFrame* pPrevious = GetPreviousCell())
+        xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("precede"), "%" SAL_PRIuUINT32, pPrevious->GetFrameId());
+}
+
 // #i103961#
 void SwCellFrame::Cut()
 {