From 055a706162aded7e694a5942d98162f50d230084 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Wed, 29 Jun 2011 13:03:38 +0000
Subject: [PATCH] Return back workaround for embedded compounds since the OCCT
 patch does not work in all cases (e.g. it fails when exporting / importing
 single edge).

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

diff --git a/src/STEPImport/STEPImport.cxx b/src/STEPImport/STEPImport.cxx
index 037339e1d..22f0dee18 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