gcc/ada/libgnat/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) 1995-2017, 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 -- 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 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;