From 58f17329c51815989f1ad7bfe8a3c1909a52f58e Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Mon, 21 Jul 2008 09:41:11 +0000
Subject: [PATCH] [SALOME platform 0019316]: Need to have a better interface
 with GHS3D diagnostics     store bad input elements and nodes

---
 src/SMESH/SMESH_Algo.cxx         | 25 ++++++++++++++++++++++++-
 src/SMESH/SMESH_Algo.hxx         |  7 +++++++
 src/SMESH/SMESH_ComputeError.hxx | 22 +++++++++++++---------
 3 files changed, 44 insertions(+), 10 deletions(-)

diff --git a/src/SMESH/SMESH_Algo.cxx b/src/SMESH/SMESH_Algo.cxx
index 47346f2da..fea326576 100644
--- a/src/SMESH/SMESH_Algo.cxx
+++ b/src/SMESH/SMESH_Algo.cxx
@@ -502,6 +502,7 @@ bool SMESH_Algo::error(SMESH_ComputeErrorPtr error)
   if ( error ) {
     _error   = error->myName;
     _comment = error->myComment;
+    _badInputElements = error->myBadElements;
     return error->IsOK();
   }
   return true;
@@ -515,7 +516,11 @@ bool SMESH_Algo::error(SMESH_ComputeErrorPtr error)
 
 SMESH_ComputeErrorPtr SMESH_Algo::GetComputeError() const
 {
-  return SMESH_ComputeError::New( _error, _comment, this );
+  SMESH_ComputeErrorPtr err = SMESH_ComputeError::New( _error, _comment, this );
+  // hope this method is called by only SMESH_subMesh after this->Compute()
+  err->myBadElements.splice( err->myBadElements.end(),
+                             (list<const SMDS_MeshElement*>&) _badInputElements );
+  return err;
 }
 
 //================================================================================
@@ -528,5 +533,23 @@ void SMESH_Algo::InitComputeError()
 {
   _error = COMPERR_OK;
   _comment.clear();
+  list<const SMDS_MeshElement*>::iterator elem = _badInputElements.begin();
+  for ( ; elem != _badInputElements.end(); ++elem )
+    if ( (*elem)->GetID() < 1 )
+      delete *elem;
+  _badInputElements.clear();
 }
 
+//================================================================================
+/*!
+ * \brief store a bad input element preventing computation,
+ *        which may be a temporary one i.e. not residing the mesh,
+ *        then it will be deleted by InitComputeError()
+ */
+//================================================================================
+
+void SMESH_Algo::addBadInputElement(const SMDS_MeshElement* elem)
+{
+  if ( elem )
+    _badInputElements.push_back( elem );
+}
diff --git a/src/SMESH/SMESH_Algo.hxx b/src/SMESH/SMESH_Algo.hxx
index f08fd85e7..1a47fa291 100644
--- a/src/SMESH/SMESH_Algo.hxx
+++ b/src/SMESH/SMESH_Algo.hxx
@@ -293,6 +293,12 @@ protected:
    * \brief store error and return error->IsOK()
    */
   bool error(SMESH_ComputeErrorPtr error);
+  /*!
+   * \brief store a bad input element preventing computation,
+   *        which may be a temporary one i.e. not residing the mesh,
+   *        then it will be deleted by InitComputeError()
+   */
+  void addBadInputElement(const SMDS_MeshElement* elem);
 
 protected:
 
@@ -310,6 +316,7 @@ protected:
 
   int         _error;    //!< SMESH_ComputeErrorName or anything algo specific
   std::string _comment;  //!< any text explaining what is wrong in Compute()
+  std::list<const SMDS_MeshElement*> _badInputElements; //!< to explain COMPERR_BAD_INPUT_MESH
 };
 
 #endif
diff --git a/src/SMESH/SMESH_ComputeError.hxx b/src/SMESH/SMESH_ComputeError.hxx
index 91f2712c2..07c6116b1 100644
--- a/src/SMESH/SMESH_ComputeError.hxx
+++ b/src/SMESH/SMESH_ComputeError.hxx
@@ -30,9 +30,11 @@
 #define SMESH_ComputeError_HeaderFile
 
 #include <string>
+#include <list>
 #include <boost/shared_ptr.hpp>
 
 class SMESH_Algo;
+class SMDS_MeshElement;
 struct SMESH_ComputeError;
 
 typedef boost::shared_ptr<SMESH_ComputeError> SMESH_ComputeErrorPtr;
@@ -66,6 +68,8 @@ struct SMESH_ComputeError
   std::string       myComment;
   const SMESH_Algo* myAlgo;
 
+  std::list<const SMDS_MeshElement*> myBadElements; //!< to explain COMPERR_BAD_INPUT_MESH
+
   static SMESH_ComputeErrorPtr New( int               error   = COMPERR_OK,
                                     std::string       comment = "",
                                     const SMESH_Algo* algo    = 0)
@@ -82,19 +86,19 @@ struct SMESH_ComputeError
 
 };
 
-#define case2char(err) case err: return #err;
+#define _case2char(err) case err: return #err;
 
 std::string SMESH_ComputeError::CommonName() const
 {
   switch( myName ) {
-  case2char(COMPERR_OK            );
-  case2char(COMPERR_BAD_INPUT_MESH);
-  case2char(COMPERR_STD_EXCEPTION );
-  case2char(COMPERR_OCC_EXCEPTION );
-  case2char(COMPERR_SLM_EXCEPTION );
-  case2char(COMPERR_EXCEPTION     );
-  case2char(COMPERR_MEMORY_PB     );
-  case2char(COMPERR_ALGO_FAILED   );
+  _case2char(COMPERR_OK            );
+  _case2char(COMPERR_BAD_INPUT_MESH);
+  _case2char(COMPERR_STD_EXCEPTION );
+  _case2char(COMPERR_OCC_EXCEPTION );
+  _case2char(COMPERR_SLM_EXCEPTION );
+  _case2char(COMPERR_EXCEPTION     );
+  _case2char(COMPERR_MEMORY_PB     );
+  _case2char(COMPERR_ALGO_FAILED   );
   default:;
   }
   return "";
-- 
2.39.2