188 lines
6.3 KiB
Ada
188 lines
6.3 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- A D A . W I D E _ W I D E _ C H A R A C T E R S . H A N D L I N G --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2010-2013, Free Software Foundation, Inc. --
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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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with Ada.Wide_Wide_Characters.Unicode; use Ada.Wide_Wide_Characters.Unicode;
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package body Ada.Wide_Wide_Characters.Handling is
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---------------------
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-- Is_Alphanumeric --
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---------------------
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function Is_Alphanumeric (Item : Wide_Wide_Character) return Boolean is
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begin
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return Is_Letter (Item) or else Is_Digit (Item);
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end Is_Alphanumeric;
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----------------
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-- Is_Control --
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----------------
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function Is_Control (Item : Wide_Wide_Character) return Boolean is
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begin
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return Get_Category (Item) = Cc;
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end Is_Control;
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--------------
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-- Is_Digit --
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--------------
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function Is_Digit (Item : Wide_Wide_Character) return Boolean
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renames Ada.Wide_Wide_Characters.Unicode.Is_Digit;
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----------------
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-- Is_Graphic --
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----------------
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function Is_Graphic (Item : Wide_Wide_Character) return Boolean is
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begin
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return not Is_Non_Graphic (Item);
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end Is_Graphic;
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--------------------------
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-- Is_Hexadecimal_Digit --
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--------------------------
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function Is_Hexadecimal_Digit (Item : Wide_Wide_Character) return Boolean is
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begin
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return Is_Digit (Item)
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or else Item in 'A' .. 'F'
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or else Item in 'a' .. 'f';
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end Is_Hexadecimal_Digit;
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---------------
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-- Is_Letter --
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---------------
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function Is_Letter (Item : Wide_Wide_Character) return Boolean
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renames Ada.Wide_Wide_Characters.Unicode.Is_Letter;
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------------------------
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-- Is_Line_Terminator --
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------------------------
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function Is_Line_Terminator (Item : Wide_Wide_Character) return Boolean
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renames Ada.Wide_Wide_Characters.Unicode.Is_Line_Terminator;
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--------------
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-- Is_Lower --
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--------------
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function Is_Lower (Item : Wide_Wide_Character) return Boolean is
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begin
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return Get_Category (Item) = Ll;
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end Is_Lower;
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-------------
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-- Is_Mark --
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-------------
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function Is_Mark (Item : Wide_Wide_Character) return Boolean
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renames Ada.Wide_Wide_Characters.Unicode.Is_Mark;
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---------------------
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-- Is_Other_Format --
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---------------------
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function Is_Other_Format (Item : Wide_Wide_Character) return Boolean
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renames Ada.Wide_Wide_Characters.Unicode.Is_Other;
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------------------------------
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-- Is_Punctuation_Connector --
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------------------------------
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function Is_Punctuation_Connector
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(Item : Wide_Wide_Character) return Boolean
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renames Ada.Wide_Wide_Characters.Unicode.Is_Punctuation;
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--------------
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-- Is_Space --
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--------------
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function Is_Space (Item : Wide_Wide_Character) return Boolean
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renames Ada.Wide_Wide_Characters.Unicode.Is_Space;
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----------------
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-- Is_Special --
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----------------
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function Is_Special (Item : Wide_Wide_Character) return Boolean is
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begin
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return Is_Graphic (Item) and then not Is_Alphanumeric (Item);
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end Is_Special;
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--------------
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-- Is_Upper --
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--------------
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function Is_Upper (Item : Wide_Wide_Character) return Boolean is
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begin
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return Get_Category (Item) = Lu;
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end Is_Upper;
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--------------
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-- To_Lower --
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--------------
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function To_Lower (Item : Wide_Wide_Character) return Wide_Wide_Character
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renames Ada.Wide_Wide_Characters.Unicode.To_Lower_Case;
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function To_Lower (Item : Wide_Wide_String) return Wide_Wide_String is
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Result : Wide_Wide_String (Item'Range);
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begin
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for J in Result'Range loop
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Result (J) := To_Lower (Item (J));
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end loop;
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return Result;
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end To_Lower;
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--------------
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-- To_Upper --
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--------------
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function To_Upper (Item : Wide_Wide_Character) return Wide_Wide_Character
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renames Ada.Wide_Wide_Characters.Unicode.To_Upper_Case;
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function To_Upper (Item : Wide_Wide_String) return Wide_Wide_String is
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Result : Wide_Wide_String (Item'Range);
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begin
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for J in Result'Range loop
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Result (J) := To_Upper (Item (J));
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end loop;
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return Result;
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end To_Upper;
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end Ada.Wide_Wide_Characters.Handling;
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