File : src/templates_parser-input.adb
------------------------------------------------------------------------------
-- Templates Parser --
-- --
-- Copyright (C) 2002 --
-- Pascal Obry --
-- --
-- This library 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 2 of the License, or (at --
-- your option) any later version. --
-- --
-- This library 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 --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 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. --
------------------------------------------------------------------------------
-- $Id: templates_parser-input.adb,v 1.1 2004/01/27 17:33:43 obry Exp $
-- This is the implementation to be used with AWS, it is using AWS.Resources
-- to support embedded resources.
with Ada.IO_Exceptions;
with Ada.Unchecked_Deallocation;
with AWS.Resources;
package body Templates_Parser.Input is
type File_Record is new AWS.Resources.File_Type;
procedure Check_Open (File : in File_Type);
pragma Inline (Check_Open);
-- Check if File is opened (File variable is not null).
procedure Free is new Ada.Unchecked_Deallocation (File_Record, File_Type);
----------------
-- Check_Open --
----------------
procedure Check_Open (File : in File_Type) is
begin
if File = null then
raise Ada.IO_Exceptions.Status_Error;
end if;
end Check_Open;
-----------
-- Close --
-----------
procedure Close (File : in out File_Type) is
begin
Check_Open (File);
Close (File.all);
Free (File);
end Close;
-----------------
-- End_Of_File --
-----------------
function End_Of_File (File : in File_Type) return Boolean is
begin
Check_Open (File);
return End_Of_File (File.all);
end End_Of_File;
--------------
-- Get_Line --
--------------
procedure Get_Line
(File : in File_Type;
Buffer : out String;
Last : out Natural) is
begin
Check_Open (File);
Get_Line (File.all, Buffer, Last);
end Get_Line;
-------------------
-- LF_Terminated --
-------------------
function LF_Terminated (File : in File_Type) return Boolean is
begin
Check_Open (File);
return LF_Terminated (File.all);
end LF_Terminated;
----------
-- Open --
----------
procedure Open
(File : in out File_Type;
Name : in String;
Form : in String := "") is
begin
if File /= null then
Close (File);
end if;
File := new File_Record;
Open (File.all, Name, Form);
exception
when Ada.IO_Exceptions.Name_Error =>
Free (File);
raise;
end Open;
end Templates_Parser.Input;