/usr/share/ada/adainclude/opentoken/opentoken-text_feeder-text_io.adb is in libopentoken5-dev 6.0b-4.
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--
-- Copyright (C) 2012 Stephen Leake
-- Copyright (C) 1999 Ted Dennison
--
-- This file is part of the OpenToken package.
--
-- The OpenToken package is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License as published
-- by the Free Software Foundation; either version 3, or (at your option)
-- any later version. The OpenToken package is distributed in the hope that
-- it will be useful, but WITHOUT ANY WARRANTY; without even the implied
-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details. You should have received
-- a copy of the GNU General Public License distributed with the OpenToken
-- package; see file GPL.txt. If not, write to the Free Software Foundation,
-- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
--
-- As a special exception, if other files instantiate generics from
-- this unit, or you link this unit with other files to produce an
-- executable, this unit does not by itself cause the resulting
-- executable to be covered by the GNU General Public License. This
-- exception does not however invalidate any other reasons why the
-- executable file might be covered by the GNU Public License.
--
-------------------------------------------------------------------------------
package body OpenToken.Text_Feeder.Text_IO is
function Create (File_Ptr : Ada.Text_IO.File_Access) return Instance
is begin
return (File_Ptr, False);
end Create;
function Create (File_Ptr : in Ada.Text_IO.File_Access) return Text_Feeder_Ptr
is begin
return new Instance'(Create (File_Ptr));
end Create;
overriding procedure Get
(Feeder : in out Instance;
New_Text : out String;
Text_End : out Integer)
is begin
-- Get as much text as possible from Text_IO
Ada.Text_IO.Get_Line (File => Feeder.File.all,
Item => New_Text,
Last => Text_End);
Feeder.Ended := False;
if Text_End < New_Text'Last then
-- Figure out if it should end with an end of file or end of line
Text_End := Text_End + 1;
if Ada.Text_IO.End_Of_File (Feeder.File.all) then
New_Text (Text_End) := EOF_Character;
Feeder.Ended := True;
else
New_Text (Text_End) := EOL_Character;
end if;
end if;
exception
when Ada.Text_IO.End_Error =>
Text_End := New_Text'First;
New_Text (New_Text'First) := EOF_Character;
Feeder.Ended := True;
end Get;
overriding function End_Of_Text (Feeder : Instance) return Boolean
is begin
return Feeder.Ended and then Ada.Text_IO.End_Of_File (Feeder.File.all);
end End_Of_Text;
end OpenToken.Text_Feeder.Text_IO;
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