78 lines
4.1 KiB
Ada
78 lines
4.1 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- G N A T . C A S E _ U T I L --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1995-2010, AdaCore --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- Simple casing functions
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-- This package provides simple casing functions that do not require the
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-- overhead of the full casing tables found in Ada.Characters.Handling.
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-- Note: actual code is found in System.Case_Util, which is used internally
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-- by the GNAT run time. Applications programs should always use this package
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-- rather than using System.Case_Util directly.
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with System.Case_Util;
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package GNAT.Case_Util is
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pragma Pure;
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pragma Elaborate_Body;
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-- The elaborate body is because we have a dummy body to deal with
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-- bootstrap path problems (we used to have a real body, and now we don't
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-- need it any more, but the bootstrap requires that we have a dummy body,
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-- since otherwise the old body gets picked up.
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-- Note: all the following functions handle the full Latin-1 set
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function To_Upper (A : Character) return Character
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renames System.Case_Util.To_Upper;
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-- Converts A to upper case if it is a lower case letter, otherwise
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-- returns the input argument unchanged.
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procedure To_Upper (A : in out String)
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renames System.Case_Util.To_Upper;
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-- Folds all characters of string A to upper case
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function To_Lower (A : Character) return Character
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renames System.Case_Util.To_Lower;
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-- Converts A to lower case if it is an upper case letter, otherwise
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-- returns the input argument unchanged.
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procedure To_Lower (A : in out String)
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renames System.Case_Util.To_Lower;
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-- Folds all characters of string A to lower case
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procedure To_Mixed (A : in out String)
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renames System.Case_Util.To_Mixed;
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-- Converts A to mixed case (i.e. lower case, except for initial
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-- character and any character after an underscore, which are
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-- converted to upper case.
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end GNAT.Case_Util;
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