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106 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2000-2001 --
-- ACT-Europe --
-- --
-- Authors: Dmitriy Anisimkov - 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: test_uconv.adb,v 1.1 2003/10/05 20:00:06 Jano Exp $
-- Detection of the fast unchecked conversion availability between
-- String and Stream_Element_Array. Copy file aws-translator-conversion-f.adb
-- to aws-translator-conversion.adb if the fast unchecked conversion
-- is supported on the target, or otherwise copy
-- aws-translator-conversion-p.adb to aws-translator-conversion.adb
-- if the fast unchecked conversion cannot be used.
with Ada.Unchecked_Conversion;
with Ada.Streams.Stream_IO; use Ada.Streams;
procedure Test_UConv is
Sample : constant String :=
"$Author: Jano $" & ASCII.LF &
"$Date: 2003/10/05 20:00:06 $" & ASCII.LF &
"$Name: $" & ASCII.LF &
"$Locker: $" & ASCII.LF &
"$RCSfile: test_uconv.adb,v $" & ASCII.LF &
"$Revision: 1.1 $" & ASCII.LF &
"$Source: C:\\Documents\040and\040Settings\\Jano\\Mis\040documentos\\CD\\cvs/adagio/aws/src/test_uconv.adb,v $" & ASCII.LF &
"$State: Exp $" & ASCII.LF;
Prefix : constant String := "aws-translator-conversion";
Suffix : constant String := ".adb";
Target : constant String := Prefix & Suffix;
subtype Fixed_String is String (Sample'First .. Sample'Last);
subtype Fixed_Array is Stream_Element_Array
(Stream_Element_Offset (Sample'First)
.. Stream_Element_Offset (Sample'Last));
procedure Copy_File (Source : String);
function To_Stream_Elements is
new Ada.Unchecked_Conversion (Fixed_String, Fixed_Array);
function To_String is
new Ada.Unchecked_Conversion (Fixed_Array, Fixed_String);
---------------
-- Copy_File --
---------------
procedure Copy_File (Source : String) is
use Ada.Streams.Stream_IO;
Source_File : File_Type;
Target_File : File_Type;
Buffer : Stream_Element_Array (0 .. 1024);
Last : Stream_Element_Offset;
begin
Open (Source_File, In_File, Source);
Create (Target_File, Out_File, Target);
loop
Read (Source_File, Buffer, Last);
Write (Target_File, Buffer (0 .. Last));
exit when Last < Buffer'Last;
end loop;
Close (Source_File);
Close (Target_File);
end Copy_File;
begin
if Fixed_Array'Size = Fixed_String'Size
and then Fixed_Array'Alignment = Fixed_String'Alignment
and then Sample = To_String (To_Stream_Elements (Sample))
then
Copy_File (Prefix & "-f" & Suffix);
else
Copy_File (Prefix & "-p" & Suffix);
end if;
end Test_UConv;
|