1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- S Y S T E M . C A S E _ U T I L --
9 -- Copyright (C) 1995-2013, AdaCore --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 pragma Compiler_Unit_Warning;
34 package body System.Case_Util is
40 function To_Lower (A : Character) return Character is
41 A_Val : constant Natural := Character'Pos (A);
45 or else A_Val in 16#C0# .. 16#D6#
46 or else A_Val in 16#D8# .. 16#DE#
48 return Character'Val (A_Val + 16#20#);
54 procedure To_Lower (A : in out String) is
57 A (J) := To_Lower (A (J));
65 procedure To_Mixed (A : in out String) is
66 Ucase : Boolean := True;
71 A (J) := To_Upper (A (J));
73 A (J) := To_Lower (A (J));
84 function To_Upper (A : Character) return Character is
85 A_Val : constant Natural := Character'Pos (A);
89 or else A_Val in 16#E0# .. 16#F6#
90 or else A_Val in 16#F8# .. 16#FE#
92 return Character'Val (A_Val - 16#20#);
98 procedure To_Upper (A : in out String) is
100 for J in A'Range loop
101 A (J) := To_Upper (A (J));
105 end System.Case_Util;