#882 FiniteElementSpace: make the method that use...

#882 FiniteElementSpace: make the method that use RefFEltNS::Private::RefFEltSpace private. The only case in which public status was required was solved by a friendship.

Sources/FiniteElement/FiniteElementSpace/FEltSpace.hpp

@@ -9,14 +9,16 @@
 # include "Utilities/Containers/Print.hpp"
 # include "Utilities/SparseMatrix/CSRPattern.hpp"
 # include "Utilities/Mutex/Mutex.hpp"
-
 # include "Utilities/Mpi/Mpi.hpp"
+
 # include "Core/InputParameterData/InputParameterList.hpp"
 # include "Core/InputParameter/FElt/FEltSpace.hpp"
+# include "Core/NumberingSubset.hpp"
+# include "Core/ParameterType.hpp"
 
 # include "Geometry/DomainManager.hpp"
 
-# include "Core/NumberingSubset.hpp"
+
 # include "FiniteElement/FiniteElementSpace/Private/BreakCircularDependancy.hpp"
 # include "FiniteElement/FiniteElementSpace/Private/FEltSpace.hpp"
 # include "FiniteElement/FiniteElementSpace/Private/FEltSpaceStorage.hpp"
@@ -93,6 +95,29 @@ namespace HappyHeart
     } // namespace Private
     
     
+    
+    namespace ParameterNS
+    {
+        
+        
+        namespace Policy
+        {
+            
+            
+            template
+            <
+                ParameterNS::Type TypeT,
+                unsigned int Ndim
+            >
+            class AtDof;
+            
+            
+        } // namespace Policy
+        
+        
+    } // namespace ParameterNS
+    
+    
     // ============================
     // End of forward declarations.
     //! \endcond IGNORE_BLOCK_IN_DOXYGEN
@@ -163,6 +188,15 @@ namespace HappyHeart
         //! Friendship to GodOfDof (which stores the FEltSpace defined on its related mesh).
         friend GodOfDof;
         
+        //! Friendship to AtDof parameter policy, which requires access to \a BasicRefFElt \as ShapeFunction() method.
+        template
+        <
+            ParameterNS::Type TypeT,
+            unsigned int Ndim
+        >
+        friend class ParameterNS::Policy::AtDof;
+
+        
         
     public:
         
@@ -306,6 +340,7 @@ namespace HappyHeart
          */
         const LocalFEltSpacePerRefFEltSpace& GetLocalFEltSpacePerRefFEltSpace(const Domain& domain) const;
         
+    private:
         
         /*! 
          * \brief Get the list of local finite element spaces sort for a given RefFEltSpace.
@@ -313,6 +348,9 @@ namespace HappyHeart
          const LocalFEltSpace::per_geom_elt_index&
             GetLocalFEltSpaceList(const RefFEltNS::Private::RefFEltSpace& ref_felt_space) const;
         
+        
+    public:
+        
         /*!
          * \brief Get the local felt space that matches a given \a geometric_elt.
          */
@@ -388,6 +426,8 @@ namespace HappyHeart
         //! Clear the temporary data used to build properly the Private::Local2GlobalStorage objects.
         void ClearTemporaryData() const noexcept;
         
+    private:
+        
         /*!
          * \brief Get the reference finite element space related to a given \a ref_geom_elt.
          *