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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- A D A . W I D E _ C H A R A C T E R S . H A N D L I N G --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 2010-2012, 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 --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with Ada.Wide_Characters.Unicode; use Ada.Wide_Characters.Unicode;
+
+package body Ada.Wide_Characters.Handling is
+
+ ---------------------
+ -- Is_Alphanumeric --
+ ---------------------
+
+ function Is_Alphanumeric (Item : Wide_Character) return Boolean is
+ begin
+ return Is_Letter (Item) or else Is_Digit (Item);
+ end Is_Alphanumeric;
+
+ ----------------
+ -- Is_Control --
+ ----------------
+
+ function Is_Control (Item : Wide_Character) return Boolean is
+ begin
+ return Get_Category (Item) = Cc;
+ end Is_Control;
+
+ --------------
+ -- Is_Digit --
+ --------------
+
+ function Is_Digit (Item : Wide_Character) return Boolean
+ renames Ada.Wide_Characters.Unicode.Is_Digit;
+
+ ----------------
+ -- Is_Graphic --
+ ----------------
+
+ function Is_Graphic (Item : Wide_Character) return Boolean is
+ begin
+ return not Is_Non_Graphic (Item);
+ end Is_Graphic;
+
+ --------------------------
+ -- Is_Hexadecimal_Digit --
+ --------------------------
+
+ function Is_Hexadecimal_Digit (Item : Wide_Character) return Boolean is
+ begin
+ return Is_Digit (Item)
+ or else Item in 'A' .. 'F'
+ or else Item in 'a' .. 'f';
+ end Is_Hexadecimal_Digit;
+
+ ---------------
+ -- Is_Letter --
+ ---------------
+
+ function Is_Letter (Item : Wide_Character) return Boolean
+ renames Ada.Wide_Characters.Unicode.Is_Letter;
+
+ ------------------------
+ -- Is_Line_Terminator --
+ ------------------------
+
+ function Is_Line_Terminator (Item : Wide_Character) return Boolean
+ renames Ada.Wide_Characters.Unicode.Is_Line_Terminator;
+
+ --------------
+ -- Is_Lower --
+ --------------
+
+ function Is_Lower (Item : Wide_Character) return Boolean is
+ begin
+ return Get_Category (Item) = Ll;
+ end Is_Lower;
+
+ -------------
+ -- Is_Mark --
+ -------------
+
+ function Is_Mark (Item : Wide_Character) return Boolean
+ renames Ada.Wide_Characters.Unicode.Is_Mark;
+
+ --------------
+ -- Is_Other --
+ --------------
+
+ function Is_Other (Item : Wide_Character) return Boolean
+ renames Ada.Wide_Characters.Unicode.Is_Other;
+
+ --------------------
+ -- Is_Punctuation --
+ --------------------
+
+ function Is_Punctuation (Item : Wide_Character) return Boolean
+ renames Ada.Wide_Characters.Unicode.Is_Punctuation;
+
+ --------------
+ -- Is_Space --
+ --------------
+
+ function Is_Space (Item : Wide_Character) return Boolean
+ renames Ada.Wide_Characters.Unicode.Is_Space;
+
+ ----------------
+ -- Is_Special --
+ ----------------
+
+ function Is_Special (Item : Wide_Character) return Boolean is
+ begin
+ return Is_Graphic (Item) and then not Is_Alphanumeric (Item);
+ end Is_Special;
+
+ --------------
+ -- Is_Upper --
+ --------------
+
+ function Is_Upper (Item : Wide_Character) return Boolean is
+ begin
+ return Get_Category (Item) = Lu;
+ end Is_Upper;
+
+ --------------
+ -- To_Lower --
+ --------------
+
+ function To_Lower (Item : Wide_Character) return Wide_Character
+ renames Ada.Wide_Characters.Unicode.To_Lower_Case;
+
+ function To_Lower (Item : Wide_String) return Wide_String is
+ Result : Wide_String (Item'Range);
+
+ begin
+ for J in Result'Range loop
+ Result (J) := To_Lower (Item (J));
+ end loop;
+
+ return Result;
+ end To_Lower;
+
+ --------------
+ -- To_Upper --
+ --------------
+
+ function To_Upper (Item : Wide_Character) return Wide_Character
+ renames Ada.Wide_Characters.Unicode.To_Upper_Case;
+
+ function To_Upper (Item : Wide_String) return Wide_String is
+ Result : Wide_String (Item'Range);
+
+ begin
+ for J in Result'Range loop
+ Result (J) := To_Upper (Item (J));
+ end loop;
+
+ return Result;
+ end To_Upper;
+
+end Ada.Wide_Characters.Handling;