180 lines
5.6 KiB
Ada
180 lines
5.6 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- A D A . W I D E _ T E X T _ I O . W I D E _ 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.Wide_Text_IO; use Ada.Wide_Text_IO;
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with Ada.Unchecked_Deallocation;
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package body Ada.Wide_Text_IO.Wide_Bounded_IO is
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type Wide_String_Access is access all Wide_String;
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procedure Free (WSA : in out Wide_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 (WSA : in out Wide_String_Access) is
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Null_Wide_String : constant Wide_String := "";
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procedure Deallocate is
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new Ada.Unchecked_Deallocation (Wide_String, Wide_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 WSA.all /= Null_Wide_String then
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Deallocate (WSA);
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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 Wide_Bounded.Bounded_Wide_String is
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begin
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return Wide_Bounded.To_Bounded_Wide_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 Wide_Bounded.Bounded_Wide_String
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is
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begin
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return Wide_Bounded.To_Bounded_Wide_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 Wide_Bounded.Bounded_Wide_String)
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is
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Buffer : Wide_String (1 .. 1000);
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Last : Natural;
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Str1 : Wide_String_Access;
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Str2 : Wide_String_Access;
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begin
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Get_Line (Buffer, Last);
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Str1 := new Wide_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 Wide_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 := Wide_Bounded.To_Bounded_Wide_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 Wide_Bounded.Bounded_Wide_String)
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is
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Buffer : Wide_String (1 .. 1000);
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Last : Natural;
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Str1 : Wide_String_Access;
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Str2 : Wide_String_Access;
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begin
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Get_Line (File, Buffer, Last);
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Str1 := new Wide_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 Wide_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 := Wide_Bounded.To_Bounded_Wide_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 : Wide_Bounded.Bounded_Wide_String)
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is
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begin
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Put (Wide_Bounded.To_Wide_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 : Wide_Bounded.Bounded_Wide_String)
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is
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begin
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Put (File, Wide_Bounded.To_Wide_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 : Wide_Bounded.Bounded_Wide_String)
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is
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begin
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Put_Line (Wide_Bounded.To_Wide_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 : Wide_Bounded.Bounded_Wide_String)
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is
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begin
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Put_Line (File, Wide_Bounded.To_Wide_String (Item));
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end Put_Line;
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end Ada.Wide_Text_IO.Wide_Bounded_IO;
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