File : g-casuti.adb
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
5 -- G N A T . C A S E _ U T I L --
-- --
-- B o d y --
-- --
-- $Revision: 1.4 $ --
10 -- --
-- Copyright (C) 1995-1999 Ada Core Technologies, 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- --
15 -- 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 --
20 -- 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 --
25 -- 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. --
30 -- --
-- GNAT is maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
35 package body GNAT.Case_Util is
--------------
-- To_Lower --
--------------
40
function To_Lower (A : Character) return Character is
A_Val : constant Natural := Character'Pos (A);
begin
45 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#);
50 else
return A;
end if;
end To_Lower;
55 procedure To_Lower (A : in out String) is
begin
for J in A'Range loop
A (J) := To_Lower (A (J));
end loop;
60 end To_Lower;
--------------
-- To_Mixed --
--------------
65
procedure To_Mixed (A : in out String) is
Ucase : Boolean := True;
begin
70 for J in A'Range loop
if Ucase then
A (J) := To_Upper (A (J));
else
A (J) := To_Lower (A (J));
75 end if;
Ucase := A (J) = '_';
end loop;
end To_Mixed;
80
--------------
-- To_Upper --
--------------
85 function To_Upper (A : Character) return Character is
A_Val : constant Natural := Character'Pos (A);
begin
if A in 'a' .. 'z'
90 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
95 return A;
end if;
end To_Upper;
procedure To_Upper (A : in out String) is
100 begin
for J in A'Range loop
A (J) := To_Upper (A (J));
end loop;
end To_Upper;
105
end GNAT.Case_Util;