--                                                                    --
--  package                         Copyright (c)  Dmitry A. Kazakov  --
--     GNAT.Sockets.Connection_State_Machine.      Luebeck            --
--     ASN1.Bit_Strings.Explicit                   Spring, 2019       --
--  Implementation                                                    --
--                                Last revision :  13:37 03 Aug 2019  --
--                                                                    --
--  This  library  is  free software; you can redistribute it and/or  --
--  modify it under the terms of the GNU General Public  License  as  --
--  published by the Free Software Foundation; either version  2  of  --
--  the License, or (at your option) any later version. This library  --
--  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 along with  --
--  this library; if not, write to  the  Free  Software  Foundation,  --
--  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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.       --
--____________________________________________________________________--

with GNAT.Sockets.Connection_State_Machine.ASN1.Lengths;
use  GNAT.Sockets.Connection_State_Machine.ASN1.Lengths;

package body GNAT.Sockets.Connection_State_Machine.ASN1.Bit_Strings.
             Explicit is

   procedure Explicit_Put is new Generic_Put (Boolean_Array);

   procedure Encode
             (  Item    : Bit_String_Data_Item;
                Data    : in out Stream_Element_Array;
                Pointer : in out Stream_Element_Offset
             )  is
   begin
      Explicit_Put
      (  Data,
         Pointer,
         Bit_String_Tag,
         Item.Value (1..Item.Length)
      );
   end Encode;

   procedure Encode
             (  Item    : External_Bit_String_Data_Item;
                Data    : in out Stream_Element_Array;
                Pointer : in out Stream_Element_Offset
             )  is
   begin
      Explicit_Put
      (  Data,
         Pointer,
         Bit_String_Tag,
         Get_Value (Item)
      );
   end Encode;

   procedure Feed
             (  Item    : in out Bit_String_Data_Item;
                Data    : Stream_Element_Array;
                Pointer : in out Stream_Element_Offset;
                Client  : in out State_Machine'Class;
                State   : in out Stream_Element_Offset
             )  is
   begin
      if State = 0 then
         Reset_Feed (Item, Data, Pointer);
         Check (Data (Pointer), (1 => Bit_String_Tag));
         Pointer     := Pointer + 1;
         Item.Length := 0;
         State       := Start_Length;
         if Pointer > Data'Last then
            return;
         end if;
      end if;
      Feed
      (  Item    => Implicit_Bit_String_Data_Item (Item),
         Data    => Data,
         Pointer => Pointer,
         Client  => Client,
         State   => State
      );
   end Feed;

   procedure Feed
             (  Item    : in out External_Bit_String_Data_Item;
                Data    : Stream_Element_Array;
                Pointer : in out Stream_Element_Offset;
                Client  : in out State_Machine'Class;
                State   : in out Stream_Element_Offset
             )  is
   begin
      if State = 0 then
         Reset_Feed (Item, Data, Pointer);
         Check (Data (Pointer), (1 => Bit_String_Tag));
         Pointer := Pointer + 1;
         State   := Start_Length;
         if Pointer > Data'Last then
            return;
         end if;
      end if;
      Feed
      (  Item    => Implicit_External_Bit_String_Data_Item (Item),
         Data    => Data,
         Pointer => Pointer,
         Client  => Client,
         State   => State
      );
   end Feed;

   function Is_Implicit (Item : External_Bit_String_Data_Item)
      return Boolean is
   begin
      return False;
   end Is_Implicit;

   function Is_Implicit (Item : Bit_String_Data_Item) return Boolean is
   begin
      return False;
   end Is_Implicit;

end GNAT.Sockets.Connection_State_Machine.ASN1.Bit_Strings.Explicit;
