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1 281 jeremybenn 
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT RUN-TIME COMPONENTS                         --
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--                                                                          --
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--               A D A . T E X T _ I O . B O U N D E D _ I O                --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--          Copyright (C) 1997-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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with Ada.Text_IO; use Ada.Text_IO;
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with Ada.Unchecked_Deallocation;
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package body Ada.Text_IO.Bounded_IO is
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   type String_Access is access all String;
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   procedure Free (SA : in out String_Access);
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   --  Perform an unchecked deallocation of a non-null string
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   ----------
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   -- Free --
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   ----------
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   procedure Free (SA : in out String_Access) is
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      Null_String : constant String := "";
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      procedure Deallocate is
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        new Ada.Unchecked_Deallocation (String, String_Access);
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   begin
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      --  Do not try to free statically allocated null string
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      if SA.all /= Null_String then
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         Deallocate (SA);
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      end if;
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   end Free;
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   --------------
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   -- Get_Line --
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   --------------
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   function Get_Line return Bounded.Bounded_String is
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   begin
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      return Bounded.To_Bounded_String (Get_Line);
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   end Get_Line;
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   --------------
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   -- Get_Line --
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   --------------
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   function Get_Line
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     (File : File_Type) return Bounded.Bounded_String
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   is
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   begin
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      return Bounded.To_Bounded_String (Get_Line (File));
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   end Get_Line;
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   --------------
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   -- Get_Line --
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   --------------
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   procedure Get_Line
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     (Item : out Bounded.Bounded_String)
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   is
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      Buffer : String (1 .. 1000);
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      Last   : Natural;
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      Str1   : String_Access;
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      Str2   : String_Access;
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   begin
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      Get_Line (Buffer, Last);
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      Str1 := new String'(Buffer (1 .. Last));
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      while Last = Buffer'Last loop
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         Get_Line (Buffer, Last);
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         Str2 := new String'(Str1.all & Buffer (1 .. Last));
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         Free (Str1);
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         Str1 := Str2;
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      end loop;
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      Item := Bounded.To_Bounded_String (Str1.all);
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   end Get_Line;
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   --------------
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   -- Get_Line --
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   --------------
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   procedure Get_Line
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     (File : File_Type;
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      Item : out Bounded.Bounded_String)
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   is
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      Buffer : String (1 .. 1000);
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      Last   : Natural;
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      Str1   : String_Access;
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      Str2   : String_Access;
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   begin
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      Get_Line (File, Buffer, Last);
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      Str1 := new String'(Buffer (1 .. Last));
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      while Last = Buffer'Last loop
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         Get_Line (File, Buffer, Last);
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         Str2 := new String'(Str1.all & Buffer (1 .. Last));
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         Free (Str1);
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         Str1 := Str2;
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      end loop;
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      Item := Bounded.To_Bounded_String (Str1.all);
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   end Get_Line;
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   ---------
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   -- Put --
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   ---------
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   procedure Put
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     (Item : Bounded.Bounded_String)
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   is
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   begin
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      Put (Bounded.To_String (Item));
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   end Put;
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   ---------
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   -- Put --
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   ---------
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   procedure Put
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     (File : File_Type;
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      Item : Bounded.Bounded_String)
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   is
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   begin
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      Put (File, Bounded.To_String (Item));
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   end Put;
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   --------------
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   -- Put_Line --
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   --------------
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   procedure Put_Line
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     (Item : Bounded.Bounded_String)
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   is
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   begin
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      Put_Line (Bounded.To_String (Item));
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   end Put_Line;
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   --------------
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   -- Put_Line --
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   --------------
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   procedure Put_Line
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     (File : File_Type;
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      Item : Bounded.Bounded_String)
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   is
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   begin
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      Put_Line (File, Bounded.To_String (Item));
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   end Put_Line;
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end Ada.Text_IO.Bounded_IO;

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