1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME COMPONENTS -- 4-- -- 5-- S Y S T E M . W W D _ C H A R -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2009, 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 32package body System.WWd_Char is 33 34 -------------------------- 35 -- Wide_Width_Character -- 36 -------------------------- 37 38 function Wide_Width_Character (Lo, Hi : Character) return Natural is 39 W : Natural; 40 41 begin 42 W := 0; 43 for C in Lo .. Hi loop 44 declare 45 S : constant Wide_String := Character'Wide_Image (C); 46 begin 47 W := Natural'Max (W, S'Length); 48 end; 49 end loop; 50 51 return W; 52 end Wide_Width_Character; 53 54 ------------------------------- 55 -- Wide_Wide_Width_Character -- 56 ------------------------------- 57 58 function Wide_Wide_Width_Character (Lo, Hi : Character) return Natural is 59 W : Natural; 60 61 begin 62 W := 0; 63 for C in Lo .. Hi loop 64 declare 65 S : constant String := Character'Image (C); 66 begin 67 W := Natural'Max (W, S'Length); 68 end; 69 end loop; 70 71 return W; 72 end Wide_Wide_Width_Character; 73 74end System.WWd_Char; 75