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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- ADA.STRINGS.TEXT_OUTPUT.FILES --
-- --
-- S p e c --
-- --
-- Copyright (C) 2020, 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. --
-- --
------------------------------------------------------------------------------
pragma Ada_2020;
private with GNAT.OS_Lib;
private with Ada.Finalization;
package Ada.Strings.Text_Output.Files is
-- This package supports a Sink type that sends output to a file. The file
-- is automatically closed when finalized.
function Standard_Output return Sink_Access;
function Standard_Error return Sink_Access;
type File (<>) is new Sink with private;
function Create_File
(Name : String;
Indent_Amount : Natural := Default_Indent_Amount;
Chunk_Length : Positive := Default_Chunk_Length) return File;
function Create_New_File
(Name : String;
Indent_Amount : Natural := Default_Indent_Amount;
Chunk_Length : Positive := Default_Chunk_Length) return File;
-- Create a file. Create_New_File raises an exception if the file already
-- exists; Create_File overwrites.
procedure Close (S : in out File'Class);
private
package OS renames GNAT.OS_Lib;
type Self_Ref (Self : access File) is new Finalization.Limited_Controlled
with null record;
overriding procedure Finalize (Ref : in out Self_Ref);
type File is new Sink with record
FD : OS.File_Descriptor := OS.Invalid_FD;
Ref : Self_Ref (File'Access);
end record;
overriding procedure Full_Method (S : in out File);
overriding procedure Flush_Method (S : in out File);
end Ada.Strings.Text_Output.Files;
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