----------------------------------
----------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--                  OCARINA.AADL.PRINTER.COMPONENTS.FLOWS                   --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--               Copyright (C) 2005-2007, GET-Telecom Paris.                --
--                                                                          --
-- Ocarina  is free software;  you  can  redistribute  it and/or  modify    --
-- it under terms of the GNU General Public License as published by the     --
-- Free Software Foundation; either version 2, or (at your option) any      --
-- later version. Ocarina is distributed  in  the  hope  that it will be    --
-- useful, but WITHOUT ANY WARRANTY;  without even the implied warranty of  --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General --
-- Public License for more details. You should have received  a copy of the --
-- GNU General Public License distributed with Ocarina; see file COPYING.   --
-- If not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02111-1301, USA.                                       --
--                                                                          --
-- As a special exception,  if other files  instantiate  generics from this --
-- unit, or you link  this unit with other files  to produce an executable, --
-- this  unit  does not  by itself cause  the resulting  executable to be   --
-- covered  by the  GNU  General  Public  License. This exception does not  --
-- however invalidate  any other reasons why the executable file might be   --
-- covered by the GNU Public License.                                       --
--                                                                          --
--                 Ocarina is maintained by the Ocarina team                --
--                       (ocarina-users@listes.enst.fr)                     --
--                                                                          --
------------------------------------------------------------------------------

with Output;

with Ocarina.Nodes;
with Ocarina.Nutils;
with Ocarina.AADL.Printer.Components.Modes;
with Ocarina.AADL.Printer.Properties;
with Ocarina.AADL.Printer.Identifiers;
with Ocarina.Entities.Components.Flows;

package body Ocarina.AADL.Printer.Components.Flows is

   use Output;
   use Ocarina.Nodes;
   use Ocarina.Nutils;
   use Ocarina.AADL.Printer.Components.Modes;
   use Ocarina.AADL.Printer.Properties;
   use Ocarina.AADL.Printer.Identifiers;
   use Ocarina.Entities.Components.Flows;

   procedure Print_Flow_Category (Category : Byte);

   -------------------------
   -- Print_Flow_Category --
   -------------------------

   procedure Print_Flow_Category (Category : Byte) is
   begin
      case Flow_Category'Val (Category) is
         when FC_Source =>
            Print_Token (T_Source);
         when FC_Sink =>
            Print_Token (T_Sink);
         when FC_Path =>
            Print_Token (T_Path);
      end case;
   end Print_Flow_Category;

   -------------------------------
   -- Print_Flow_Implementation --
   -------------------------------

   procedure Print_Flow_Implementation
     (Node    : Node_Id;
      Options : Output_Options)
   is
      Flow_Modes    : constant Node_Id   := In_Modes (Node);
      Flow_Kind     : constant Node_Kind := Kind (Node);
      Is_End_To_End : Boolean;
      Is_Refinement : Boolean;
      Cat           : Byte;
      List_Node     : Node_Id;
   begin
      if Flow_Kind = K_Flow_Implementation_Refinement
        or else Flow_Kind = K_End_To_End_Flow_Refinement
      then
         Is_Refinement := True;
      else
         Is_Refinement := False;
      end if;

      if Flow_Kind = K_End_To_End_Flow_Spec
        or else Flow_Kind = K_End_To_End_Flow_Refinement
      then
         Is_End_To_End := True;
      else
         Is_End_To_End := False;
         Cat           := Category (Node);
      end if;

      Write_Indentation;
      Print_Identifier (Identifier (Node));
      Write_Space;

      Print_Token (T_Colon);
      Write_Space;

      if Is_Refinement then
         Print_Tokens ((T_Refined, T_To));
         Write_Space;
      end if;

      if Is_End_To_End then
         Print_Tokens ((T_End, T_To, T_End, T_Flow));
      else
         Print_Token (T_Flow);
         Write_Space;
         Print_Flow_Category (Cat);
      end if;

      if not Is_Refinement then
         Write_Space;

         if not Is_Empty (Connections (Node)) then
            List_Node := First_Node (Connections (Node));

            while Present (List_Node) loop
               if List_Node /= First_Node (Connections (Node)) then
                  Write_Space;
                  Print_Token (T_Connection);
                  Write_Space;
               end if;

               Print_Entity_Reference (List_Node);
               List_Node := Next_Node (List_Node);
            end loop;
         end if;

         Write_Eol;
      end if;

      Print_Contained_Property_Associations
        (Ocarina.Nodes.Properties (Node),
         Options);
      Print_In_Modes (Flow_Modes, Options);
      Print_Token (T_Semicolon);
      Write_Eol;
   end Print_Flow_Implementation;

   ---------------------
   -- Print_Flow_Spec --
   ---------------------

   procedure Print_Flow_Spec (Node : Node_Id; Options : Output_Options) is
      Cat : constant Byte := Category (Node);
   begin
      Write_Indentation;
      Print_Item_Refined_To (Node);
      Write_Space;

      Print_Token (T_Flow);
      Write_Space;

      Print_Flow_Category (Cat);
      Write_Space;

      if not Is_Refinement (Node) then
         case Flow_Category'Val (Cat) is
            when FC_Source =>
               Print_Entity_Reference (Source_Flow (Node));
            when FC_Sink =>
               Print_Entity_Reference (Sink_Flow (Node));
            when FC_Path =>
               Print_Entity_Reference (Source_Flow (Node));
               Write_Space;
               Print_Token (T_Connection);
               Write_Space;
               Print_Entity_Reference (Sink_Flow (Node));
         end case;
      end if;

      Print_Contained_Property_Associations
        (Ocarina.Nodes.Properties (Node),
         Options);
      Print_Token (T_Semicolon);
      Write_Eol;
   end Print_Flow_Spec;

end Ocarina.AADL.Printer.Components.Flows;