Resolves: fdo#48640 handle various busted rtf docs without hanging

(cherry picked from commit 234f150f30d881b2691288c5f5581306bd4d3d18)

Signed-off-by: Miklos Vajna <vmiklos@suse.cz>

2 files changed, 13 insertions, 1 deletions

diff --git a/sw/source/core/docnode/ndtbl.cxx b/sw/source/core/docnode/ndtbl.cxx
index ba7581fa0c9d..981f3c388be6 100644
--- a/sw/source/core/docnode/ndtbl.cxx
+++ b/sw/source/core/docnode/ndtbl.cxx
@@ -1078,8 +1078,16 @@ SwTableNode* SwNodes::TextToTable( const SwNodeRange& rRange, sal_Unicode cCh,
 
 const SwTable* SwDoc::TextToTable( const std::vector< std::vector<SwNodeRange> >& rTableNodes )
 {
+    if (rTableNodes.empty())
+        return NULL;
+
+    std::vector<SwNodeRange> rFirstRange = *rTableNodes.begin();
+
+    if (rFirstRange.empty())
+        return NULL;
+
     /* Save first node in the selection if it is a content node. */
-    SwCntntNode * pSttCntntNd = rTableNodes.begin()->begin()->aStart.GetNode().GetCntntNode();
+    SwCntntNode * pSttCntntNd = rFirstRange.begin()->aStart.GetNode().GetCntntNode();
 
     /**debug**/
 #if OSL_DEBUG_LEVEL > 1
diff --git a/sw/source/core/unocore/unotext.cxx b/sw/source/core/unocore/unotext.cxx
index 71939e4a5159..bd356da8bad3 100644
--- a/sw/source/core/unocore/unotext.cxx
+++ b/sw/source/core/unocore/unotext.cxx
@@ -2231,6 +2231,10 @@ throw (lang::IllegalArgumentException, uno::RuntimeException)
     std::vector<VerticallyMergedCell> aMergedCells;
 
     SwTable const*const pTable = m_pImpl->m_pDoc->TextToTable( aTableNodes );
+
+    if (!pTable)
+        return uno::Reference< text::XTextTable >();
+
     SwXTextTable *const pTextTable = new SwXTextTable( *pTable->GetFrmFmt() );
     const uno::Reference< text::XTextTable > xRet = pTextTable;
     const uno::Reference< beans::XPropertySet > xPrSet = pTextTable;