------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . C A S E _ U T I L -- -- -- -- S p e c -- -- -- -- Copyright (C) 1995-2018, Free Software Foundation, 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- -- -- ware Foundation; either version 3, 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. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- Simple casing functions -- This package provides simple casing functions that do not require the -- overhead of the full casing tables found in Ada.Characters.Handling. -- Note that all the routines in this package are available to the user -- via GNAT.Case_Util, which imports all the entities from this package. pragma Compiler_Unit_Warning; package System.Case_Util is pragma Pure; -- Note: all the following functions handle the full Latin-1 set function To_Upper (A : Character) return Character; -- Converts A to upper case if it is a lower case letter, otherwise -- returns the input argument unchanged. procedure To_Upper (A : in out String); function To_Upper (A : String) return String; -- Folds all characters of string A to upper case function To_Lower (A : Character) return Character; -- Converts A to lower case if it is an upper case letter, otherwise -- returns the input argument unchanged. procedure To_Lower (A : in out String); function To_Lower (A : String) return String; -- Folds all characters of string A to lower case procedure To_Mixed (A : in out String); function To_Mixed (A : String) return String; -- Converts A to mixed case (i.e. lower case, except for initial -- character and any character after an underscore, which are -- converted to upper case. end System.Case_Util;