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------------------------------------------------------------------------------
--                                                                          --
--                 GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                 --
--                                                                          --
--              S Y S T E M . S T R I N G S . S T R E A M _ O P S           --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--             Copyright (C) 2009, Free Software Foundation, Inc.           --
--                                                                          --
-- GNAT is free software;  you can  redistribute it  and/or modify it under --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------
 
--  This package provides subprogram implementations of stream attributes for
--  the following types:
--     Ada.String
--     Ada.Wide_String
--     Ada.Wide_Wide_String
--
--  The compiler will generate references to the subprograms in this package
--  when expanding stream attributes for the above mentioned types. Example:
--
--     String'Output (Some_Stream, Some_String);
--
--  will be expanded into:
--
--     String_Output (Some_Stream, Some_String);
--       or
--     String_Output_Blk_IO (Some_Stream, Some_String);
 
pragma Compiler_Unit;
 
with Ada.Streams;
 
package System.Strings.Stream_Ops is
 
   ------------------------------
   -- String stream operations --
   ------------------------------
 
   function String_Input
     (Strm : access Ada.Streams.Root_Stream_Type'Class)
      return String;
 
   function String_Input_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class)
      return String;
 
   procedure String_Output
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : String);
 
   procedure String_Output_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : String);
 
   procedure String_Read
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : out String);
 
   procedure String_Read_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : out String);
 
   procedure String_Write
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : String);
 
   procedure String_Write_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : String);
 
   -----------------------------------
   -- Wide_String stream operations --
   -----------------------------------
 
   function Wide_String_Input
     (Strm : access Ada.Streams.Root_Stream_Type'Class)
      return Wide_String;
 
   function Wide_String_Input_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class)
      return Wide_String;
 
   procedure Wide_String_Output
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : Wide_String);
 
   procedure Wide_String_Output_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : Wide_String);
 
   procedure Wide_String_Read
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : out Wide_String);
 
   procedure Wide_String_Read_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : out Wide_String);
 
   procedure Wide_String_Write
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : Wide_String);
 
   procedure Wide_String_Write_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : Wide_String);
 
   ----------------------------------------
   -- Wide_Wide_String stream operations --
   ----------------------------------------
 
   function Wide_Wide_String_Input
     (Strm : access Ada.Streams.Root_Stream_Type'Class)
      return Wide_Wide_String;
 
   function Wide_Wide_String_Input_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class)
      return Wide_Wide_String;
 
   procedure Wide_Wide_String_Output
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : Wide_Wide_String);
 
   procedure Wide_Wide_String_Output_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : Wide_Wide_String);
 
   procedure Wide_Wide_String_Read
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : out Wide_Wide_String);
 
   procedure Wide_Wide_String_Read_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : out Wide_Wide_String);
 
   procedure Wide_Wide_String_Write
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : Wide_Wide_String);
 
   procedure Wide_Wide_String_Write_Blk_IO
     (Strm : access Ada.Streams.Root_Stream_Type'Class;
      Item : Wide_Wide_String);
 
end System.Strings.Stream_Ops;