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gnat-sockets-connection_state_machine-big_endian-unsigneds.ads
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-- --
-- package Copyright (c) Dmitry A. Kazakov --
-- GNAT.Sockets.Connection_State_Machine. Luebeck --
-- Big_Endian.Unsigneds Winter, 2012 --
-- Interface --
-- Last revision : 22:45 07 Apr 2016 --
-- --
-- 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. --
--____________________________________________________________________--
package GNAT.Sockets.Connection_State_Machine.Big_Endian.Unsigneds is
use Interfaces;
--
-- Unsigned_{8|16|32|64}_Data_Item -- Big endian-encoded unsigned number
--
type Unsigned_8_Data_Item is new Data_Item with record
Value : Unsigned_8;
end record;
type Unsigned_16_Data_Item is new Data_Item with record
Value : Unsigned_16;
end record;
type Unsigned_32_Data_Item is new Data_Item with record
Value : Unsigned_32;
end record;
type Unsigned_64_Data_Item is new Data_Item with record
Value : Unsigned_64;
end record;
--
-- Feed -- Implementation of the feed operation
--
procedure Feed
( Item : in out Unsigned_8_Data_Item;
Data : Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Client : in out State_Machine'Class;
State : in out Stream_Element_Offset
);
procedure Feed
( Item : in out Unsigned_16_Data_Item;
Data : Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Client : in out State_Machine'Class;
State : in out Stream_Element_Offset
);
procedure Feed
( Item : in out Unsigned_32_Data_Item;
Data : Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Client : in out State_Machine'Class;
State : in out Stream_Element_Offset
);
procedure Feed
( Item : in out Unsigned_64_Data_Item;
Data : Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Client : in out State_Machine'Class;
State : in out Stream_Element_Offset
);
--
-- Get -- Number from stream element array
--
-- Data - The stream element array
-- Pointer - The first element to read
-- Value - The result
--
-- The parameter Pointer is advanced beyond the value obtained
--
-- Exceptions :
--
-- End_Error - Not enough data
-- Layout_Error - Pointer is outside bounds
--
procedure Get
( Data : Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Value : out Unsigned_8
);
procedure Get
( Data : Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Value : out Unsigned_16
);
procedure Get
( Data : Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Value : out Unsigned_32
);
procedure Get
( Data : Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Value : out Unsigned_64
);
--
-- Put -- Number into stream element array
--
-- Data - The stream element array
-- Pointer - The first element to write
-- Value - The value to encode
--
-- The parameter Pointer is advanced beyond the value output
--
-- Exceptions :
--
-- End_Error - No room for output
-- Layout_Error - Pointer is outside bounds
--
procedure Put
( Data : in out Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Value : Unsigned_8
);
procedure Put
( Data : in out Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Value : Unsigned_16
);
procedure Put
( Data : in out Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Value : Unsigned_32
);
procedure Put
( Data : in out Stream_Element_Array;
Pointer : in out Stream_Element_Offset;
Value : Unsigned_64
);
private
pragma Assert (Stream_Element'Size = 8);
end GNAT.Sockets.Connection_State_Machine.Big_Endian.Unsigneds;