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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M . C A S E _ U T I L --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1995-2008, 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 2, 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. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
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-- Boston, MA 02110-1301, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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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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pragma Compiler_Unit;
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package body System.Case_Util is
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--------------
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-- To_Lower --
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--------------
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function To_Lower (A : Character) return Character is
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A_Val : constant Natural := Character'Pos (A);
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begin
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if A in 'A' .. 'Z'
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or else A_Val in 16#C0# .. 16#D6#
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or else A_Val in 16#D8# .. 16#DE#
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then
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return Character'Val (A_Val + 16#20#);
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else
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return A;
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end if;
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end To_Lower;
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procedure To_Lower (A : in out String) is
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begin
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for J in A'Range loop
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A (J) := To_Lower (A (J));
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end loop;
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end To_Lower;
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--------------
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-- To_Mixed --
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--------------
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procedure To_Mixed (A : in out String) is
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Ucase : Boolean := True;
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begin
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for J in A'Range loop
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if Ucase then
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A (J) := To_Upper (A (J));
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else
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A (J) := To_Lower (A (J));
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end if;
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Ucase := A (J) = '_';
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end loop;
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end To_Mixed;
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--------------
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-- To_Upper --
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--------------
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function To_Upper (A : Character) return Character is
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A_Val : constant Natural := Character'Pos (A);
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begin
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if A in 'a' .. 'z'
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or else A_Val in 16#E0# .. 16#F6#
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or else A_Val in 16#F8# .. 16#FE#
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then
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return Character'Val (A_Val - 16#20#);
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else
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return A;
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end if;
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end To_Upper;
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procedure To_Upper (A : in out String) is
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begin
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for J in A'Range loop
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A (J) := To_Upper (A (J));
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end loop;
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end To_Upper;
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end System.Case_Util;
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