------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . I M G _ W C H A R -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2005, 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 2, 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. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING. If not, write -- -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- -- MA 02111-1307, USA. -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with System.Img_Char; use System.Img_Char; with System.WCh_Con; use System.WCh_Con; with System.WCh_WtS; use System.WCh_WtS; package body System.Img_WChar is -------------------------- -- Image_Wide_Character -- -------------------------- function Image_Wide_Character (V : Wide_Character; EM : WC_Encoding_Method) return String is Val : constant Natural := Wide_Character'Pos (V); WS : Wide_String (1 .. 3); begin -- If in range of standard character, use standard character routine if Val < 16#80# or else (Val <= 16#FF# and then EM not in WC_Upper_Half_Encoding_Method) then return Image_Character (Character'Val (Val)); -- if the value is one of the last two characters in the type, use -- their language-defined names (3.5.2(3)). elsif Val = 16#FFFE# then return "FFFE"; elsif Val = 16#FFFF# then return "FFFF"; -- Otherwise return an appropriate escape sequence (i.e. one matching -- the convention implemented by Scn.Wide_Char). The easiest thing is -- to build a wide string for the result, and then use the Wide_Value -- function to build the resulting String. else WS (1) := '''; WS (2) := V; WS (3) := '''; return Wide_String_To_String (WS, EM); end if; end Image_Wide_Character; ------------------------------- -- Image_Wide_Wide_Character -- ------------------------------- function Image_Wide_Wide_Character (V : Wide_Wide_Character; EM : WC_Encoding_Method) return String is Val : constant Natural := Wide_Wide_Character'Pos (V); WS : Wide_Wide_String (1 .. 3); begin -- If in range of standard Wide_Character, then we use the -- Wide_Character routine if Val <= 16#FFFF# then return Image_Wide_Character (Wide_Character'Val (Val), EM); -- Otherwise return an appropriate escape sequence (i.e. one matching -- the convention implemented by Scn.Wide_Wide_Char). The easiest thing -- is to build a wide string for the result, and then use the -- Wide_Wide_Value function to build the resulting String. else WS (1) := '''; WS (2) := V; WS (3) := '''; return Wide_Wide_String_To_String (WS, EM); end if; end Image_Wide_Wide_Character; end System.Img_WChar;