------------------------------------------------------------------------------ -- -- -- GNAT RUNTIME COMPONENTS -- -- -- -- A D A . C O M M A N D _ L I N E . R E M O V E -- -- -- -- B o d y -- -- -- -- Copyright (C) 1999 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, 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. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ package body Ada.Command_Line.Remove is ----------------------- -- Local Subprograms -- ----------------------- procedure Initialize; -- Initialize the Remove_Count and Remove_Args variables. ---------------- -- Initialize -- ---------------- procedure Initialize is begin if Remove_Args = null then Remove_Count := Argument_Count; Remove_Args := new Arg_Nums (1 .. Argument_Count); for J in Remove_Args'Range loop Remove_Args (J) := J; end loop; end if; end Initialize; --------------------- -- Remove_Argument -- --------------------- procedure Remove_Argument (Number : in Positive) is begin Initialize; if Number > Remove_Count then raise Constraint_Error; end if; Remove_Count := Remove_Count - 1; for J in Number .. Remove_Count loop Remove_Args (J) := Remove_Args (J + 1); end loop; end Remove_Argument; procedure Remove_Argument (Argument : String) is begin for J in reverse 1 .. Argument_Count loop if Argument = Ada.Command_Line.Argument (J) then Remove_Argument (J); end if; end loop; end Remove_Argument; ---------------------- -- Remove_Arguments -- ---------------------- procedure Remove_Arguments (From : Positive; To : Natural) is begin Initialize; if From > Remove_Count or else To > Remove_Count then raise Constraint_Error; end if; if To >= From then Remove_Count := Remove_Count - (To - From + 1); for J in From .. Remove_Count loop Remove_Args (J) := Remove_Args (J + (To - From + 1)); end loop; end if; end Remove_Arguments; procedure Remove_Arguments (Argument_Prefix : String) is begin for J in reverse 1 .. Argument_Count loop declare Arg : constant String := Argument (J); begin if Arg'Length >= Argument_Prefix'Length and then Arg (1 .. Argument_Prefix'Length) = Argument_Prefix then Remove_Argument (J); end if; end; end loop; end Remove_Arguments; end Ada.Command_Line.Remove;