From ac23e51c261475a0bb4e09bdd5288130a10aa6d2 Mon Sep 17 00:00:00 2001
From: jfa <jfa@opencascade.com>
Date: Wed, 27 Apr 2011 14:17:08 +0000
Subject: [PATCH] Mantis issue 0020442 remark 0010776: compound in compound.

---
 src/STEPImport/STEPImport.cxx | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/STEPImport/STEPImport.cxx b/src/STEPImport/STEPImport.cxx
index 055039805..d8142d23b 100644
--- a/src/STEPImport/STEPImport.cxx
+++ b/src/STEPImport/STEPImport.cxx
@@ -131,6 +131,21 @@ extern "C"
           /* For a single entity */
           else if (nbr == 1 && nbs == 1) {
             aResShape = aReader.Shape(1);
+            // ATTENTION: this is a workaround for mantis issue 0020442 remark 0010776
+            // It should be removed after patching OCCT for bug OCC22436
+            // (fix for OCCT is expected in service pack next to OCCT6.3sp12)
+            if (aResShape.ShapeType() == TopAbs_COMPOUND) {
+              int nbSub1 = 0;
+              TopoDS_Shape currShape;
+              TopoDS_Iterator It (aResShape, Standard_True, Standard_True);
+              for (; It.More(); It.Next()) {
+                nbSub1++;
+                currShape = It.Value();
+              }
+              if (nbSub1 == 1)
+                aResShape = currShape;
+            }
+            // END workaround
             break;
           }
 
-- 
2.39.2