File : s-casuti.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- S Y S T E M . C A S E _ U T I L --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 1995-2013, Free Software Foundation, Inc. --
10 -- --
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. --
17 -- --
18 -- --
19 -- --
20 -- --
21 -- --
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/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 -- Simple casing functions
33
34 -- This package provides simple casing functions that do not require the
35 -- overhead of the full casing tables found in Ada.Characters.Handling.
36
37 -- Note that all the routines in this package are available to the user
38 -- via GNAT.Case_Util, which imports all the entities from this package.
39
40 pragma Compiler_Unit_Warning;
41
42 package System.Case_Util is
43 pragma Pure;
44
45 -- Note: all the following functions handle the full Latin-1 set
46
47 function To_Upper (A : Character) return Character;
48 -- Converts A to upper case if it is a lower case letter, otherwise
49 -- returns the input argument unchanged.
50
51 procedure To_Upper (A : in out String);
52 -- Folds all characters of string A to upper case
53
54 function To_Lower (A : Character) return Character;
55 -- Converts A to lower case if it is an upper case letter, otherwise
56 -- returns the input argument unchanged.
57
58 procedure To_Lower (A : in out String);
59 -- Folds all characters of string A to lower case
60
61 procedure To_Mixed (A : in out String);
62 -- Converts A to mixed case (i.e. lower case, except for initial
63 -- character and any character after an underscore, which are
64 -- converted to upper case.
65
66 end System.Case_Util;