+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUNTIME COMPONENTS --
--- --
--- S Y S T E M . W I D _ W C H A R --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.2 $
--- --
--- Copyright (C) 1992-1998 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.WCh_Con; use System.WCh_Con;
-
-package body System.Wid_WChar is
-
- --------------------------
- -- Width_Wide_Character --
- --------------------------
-
- function Width_Wide_Character
- (Lo, Hi : Wide_Character;
- EM : WC_Encoding_Method)
- return Natural
- is
- W : Natural;
- P : Natural;
-
- begin
- W := 0;
-
- for C in Lo .. Hi loop
- P := Wide_Character'Pos (C);
-
- -- Here if we find a character in wide character range
-
- if P > 16#FF# then
-
- case EM is
-
- when WCEM_Hex =>
- return Natural'Max (W, 5);
-
- when WCEM_Upper =>
- return Natural'Max (W, 2);
-
- when WCEM_Shift_JIS =>
- return Natural'Max (W, 2);
-
- when WCEM_EUC =>
- return Natural'Max (W, 2);
-
- when WCEM_UTF8 =>
- if Hi > Wide_Character'Val (16#07FF#) then
- return Natural'Max (W, 3);
- else
- return Natural'Max (W, 2);
- end if;
-
- when WCEM_Brackets =>
- return Natural'Max (W, 8);
-
- end case;
-
- -- If we are in character range then use length of character image
-
- else
- declare
- S : constant String := Character'Image (Character'Val (P));
- begin
- W := Natural'Max (W, S'Length);
- end;
- end if;
- end loop;
-
- return W;
- end Width_Wide_Character;
-
-end System.Wid_WChar;
projects / msp430-gcc.git / blobdiff