From 3d1a536674bd824b34c05e500638c22542bfa65f Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Mon, 15 Feb 2010 07:11:44 +0000
Subject: [PATCH] protect IndexToShape() from Standard_OutOfRange exception

---
 src/SMESHDS/SMESHDS_Mesh.cxx | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/SMESHDS/SMESHDS_Mesh.cxx b/src/SMESHDS/SMESHDS_Mesh.cxx
index 34118b829..c4479f35b 100644
--- a/src/SMESHDS/SMESHDS_Mesh.cxx
+++ b/src/SMESHDS/SMESHDS_Mesh.cxx
@@ -34,8 +34,10 @@
 #include "SMDS_SpacePosition.hxx"
 #include "SMESHDS_GroupOnGeom.hxx"
 
-#include <TopExp_Explorer.hxx>
+#include <Standard_ErrorHandler.hxx>
+#include <Standard_OutOfRange.hxx>
 #include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
 #include <TopoDS_Iterator.hxx>
 
 #include "utilities.h"
@@ -1235,7 +1237,15 @@ int SMESHDS_Mesh::AddCompoundSubmesh(const TopoDS_Shape& S,
 //=======================================================================
 const TopoDS_Shape& SMESHDS_Mesh::IndexToShape(int ShapeIndex) const
 {
-        return myIndexToShape.FindKey(ShapeIndex);
+  try
+  {
+    return myIndexToShape.FindKey(ShapeIndex);
+  }
+  catch ( Standard_OutOfRange )
+  {
+  }
+  static TopoDS_Shape nullShape;
+  return nullShape;
 }
 
 //=======================================================================