1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME COMPONENTS -- 4-- -- 5-- G N A T . C A S E _ U T I L -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 1995-2010, AdaCore -- 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-- 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. -- 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: actual code is found in System.Case_Util, which is used internally 38-- by the GNAT run time. Applications programs should always use this package 39-- rather than using System.Case_Util directly. 40 41with System.Case_Util; 42 43package GNAT.Case_Util is 44 pragma Pure; 45 pragma Elaborate_Body; 46 -- The elaborate body is because we have a dummy body to deal with 47 -- bootstrap path problems (we used to have a real body, and now we don't 48 -- need it any more, but the bootstrap requires that we have a dummy body, 49 -- since otherwise the old body gets picked up. 50 51 -- Note: all the following functions handle the full Latin-1 set 52 53 function To_Upper (A : Character) return Character 54 renames System.Case_Util.To_Upper; 55 -- Converts A to upper case if it is a lower case letter, otherwise 56 -- returns the input argument unchanged. 57 58 procedure To_Upper (A : in out String) 59 renames System.Case_Util.To_Upper; 60 -- Folds all characters of string A to upper case 61 62 function To_Lower (A : Character) return Character 63 renames System.Case_Util.To_Lower; 64 -- Converts A to lower case if it is an upper case letter, otherwise 65 -- returns the input argument unchanged. 66 67 procedure To_Lower (A : in out String) 68 renames System.Case_Util.To_Lower; 69 -- Folds all characters of string A to lower case 70 71 procedure To_Mixed (A : in out String) 72 renames System.Case_Util.To_Mixed; 73 -- Converts A to mixed case (i.e. lower case, except for initial 74 -- character and any character after an underscore, which are 75 -- converted to upper case. 76 77end GNAT.Case_Util; 78