| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . C A S E _ U T I L -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1995-2005 AdaCore -- |
| -- -- |
| -- 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. -- |
| -- -- |
| -- 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 System.Case_Util is |
| |
| -------------- |
| -- To_Lower -- |
| -------------- |
| |
| function To_Lower (A : Character) return Character is |
| A_Val : constant Natural := Character'Pos (A); |
| |
| begin |
| if A in 'A' .. 'Z' |
| or else A_Val in 16#C0# .. 16#D6# |
| or else A_Val in 16#D8# .. 16#DE# |
| then |
| return Character'Val (A_Val + 16#20#); |
| else |
| return A; |
| end if; |
| end To_Lower; |
| |
| procedure To_Lower (A : in out String) is |
| begin |
| for J in A'Range loop |
| A (J) := To_Lower (A (J)); |
| end loop; |
| end To_Lower; |
| |
| -------------- |
| -- To_Mixed -- |
| -------------- |
| |
| procedure To_Mixed (A : in out String) is |
| Ucase : Boolean := True; |
| |
| begin |
| for J in A'Range loop |
| if Ucase then |
| A (J) := To_Upper (A (J)); |
| else |
| A (J) := To_Lower (A (J)); |
| end if; |
| |
| Ucase := A (J) = '_'; |
| end loop; |
| end To_Mixed; |
| |
| -------------- |
| -- To_Upper -- |
| -------------- |
| |
| function To_Upper (A : Character) return Character is |
| A_Val : constant Natural := Character'Pos (A); |
| |
| begin |
| if A in 'a' .. 'z' |
| or else A_Val in 16#E0# .. 16#F6# |
| or else A_Val in 16#F8# .. 16#FE# |
| then |
| return Character'Val (A_Val - 16#20#); |
| else |
| return A; |
| end if; |
| end To_Upper; |
| |
| procedure To_Upper (A : in out String) is |
| begin |
| for J in A'Range loop |
| A (J) := To_Upper (A (J)); |
| end loop; |
| end To_Upper; |
| |
| end System.Case_Util; |
