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------------------------------------------------------------------------------

--                                                                          --

--                         GNAT COMPILER COMPONENTS                         --

--                                                                          --

--                            M D L L . F I L E S                           --

--                                                                          --

--                                 B o d y                                  --

--                                                                          --

--          Copyright (C) 1992-2005 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 2,  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.  See the GNU General Public License --

-- for  more details.  You should have  received  a copy of the GNU General --

-- Public License  distributed with GNAT;  see file COPYING.  If not, write --

-- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --

-- Boston, MA 02110-1301, USA.                                              --

--                                                                          --

-- GNAT was originally developed  by the GNAT team at  New York University. --

-- Extensive contributions were provided by Ada Core Technologies Inc.      --

--                                                                          --

------------------------------------------------------------------------------

--  Simple services used by GNATDLL to deal with Filename extension

with Ada.Strings.Fixed;

package body MDLL.Fil is

   use Ada;

   -------------

   -- Get_Ext --

   -------------

   function Get_Ext (Filename : String) return String is

      use Strings.Fixed;

      I : constant Natural := Index (Filename, ".", Strings.Backward);

   begin

      if I = 0 then

         return "";

      else

         return Filename (I .. Filename'Last);

      end if;

   end Get_Ext;

   ------------

   -- Is_Ali --

   ------------

   function Is_Ali (Filename : String) return Boolean is

   begin

      return Get_Ext (Filename) = ".ali";

   end Is_Ali;

   ------------

   -- Is_Obj --

   ------------

   function Is_Obj (Filename : String) return Boolean is

      Ext : constant String := Get_Ext (Filename);

   begin

      return Ext = ".o" or else Ext = ".obj";

   end Is_Obj;

   ------------

   -- Ext_To --

   ------------

   function Ext_To

     (Filename : String;

      New_Ext  : String := No_Ext)

      return     String

   is

      use Strings.Fixed;

      I : constant Natural := Index (Filename, ".", Strings.Backward);

   begin

      if I = 0 then

         return Filename;

      else

         if New_Ext = "" then

            return Head (Filename, I - 1);

         else

            return Head (Filename, I - 1) & '.' & New_Ext;

         end if;

      end if;

   end Ext_To;

end MDLL.Fil;