1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- G N A T . C A S E _ U T I L --
11 -- Copyright (C) 1995-1998 Ada Core Technologies, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- As a special exception, if other files instantiate generics from this --
25 -- unit, or you link this unit with other files to produce an executable, --
26 -- this unit does not by itself cause the resulting executable to be --
27 -- covered by the GNU General Public License. This exception does not --
28 -- however invalidate any other reasons why the executable file might be --
29 -- covered by the GNU Public License. --
31 -- GNAT is maintained by Ada Core Technologies Inc (http://www.gnat.com). --
33 ------------------------------------------------------------------------------
35 -- Simple casing functions
37 -- This package provides simple casing functions that do not require the
38 -- overhead of the full casing tables found in Ada.Characters.Handling.
40 package GNAT.Case_Util is
41 pragma Pure (Case_Util);
43 -- Note: all the following functions handle the full Latin-1 set
45 function To_Upper (A : Character) return Character;
46 -- Converts A to upper case if it is a lower case letter, otherwise
47 -- returns the input argument unchanged.
49 procedure To_Upper (A : in out String);
50 -- Folds all characters of string A to upper csae
52 function To_Lower (A : Character) return Character;
53 -- Converts A to lower case if it is an upper case letter, otherwise
54 -- returns the input argument unchanged.
56 procedure To_Lower (A : in out String);
57 -- Folds all characters of string A to lower case
59 procedure To_Mixed (A : in out String);
60 -- Converts A to mixed case (i.e. lower case, except for initial
61 -- character and any character after an underscore, which are
62 -- converted to upper case.