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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- ADA.STRINGS.TEXT_BUFFERS.FILES --
-- --
-- S p e c --
-- --
-- Copyright (C) 2020-2023, 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. --
-- --
------------------------------------------------------------------------------
with Ada.Finalization;
with System.OS_Lib;
package Ada.Strings.Text_Buffers.Files is
type File_Buffer is new Root_Buffer_Type with private;
-- Output written to a File_Buffer is written to the associated file.
function Create_From_FD
(FD : System.OS_Lib.File_Descriptor;
Close_Upon_Finalization : Boolean := True)
return File_Buffer;
-- file closed upon finalization if specified
function Create_File (Name : String) return File_Buffer;
-- file closed upon finalization
function Create_Standard_Output_Buffer return File_Buffer is
(Create_From_FD (System.OS_Lib.Standout,
Close_Upon_Finalization => False));
function Create_Standard_Error_Buffer return File_Buffer is
(Create_From_FD (System.OS_Lib.Standerr,
Close_Upon_Finalization => False));
private
procedure Put_UTF_8_Implementation
(Buffer : in out Root_Buffer_Type'Class;
Item : UTF_Encoding.UTF_8_String)
with Pre => Buffer in File_Buffer'Class;
package Mapping is new Output_Mapping (Put_UTF_8_Implementation);
package OS renames System.OS_Lib;
type Self_Ref (Self : not null access File_Buffer)
is new Finalization.Limited_Controlled with null record;
overriding procedure Finalize (Ref : in out Self_Ref);
type File_Buffer is new Mapping.Buffer_Type with record
FD : OS.File_Descriptor := OS.Invalid_FD;
Ref : Self_Ref (File_Buffer'Access);
Close_Upon_Finalization : Boolean := False;
end record;
end Ada.Strings.Text_Buffers.Files;
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