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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . C H A R A C T E R S . C O N V E R S I O N S -- -- -- -- B o d y -- -- -- -- Copyright (C) 2005-2009, 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. -- -- -- ------------------------------------------------------------------------------ package body Ada.Characters.Conversions is ------------------ -- Is_Character -- ------------------ function Is_Character (Item : Wide_Character) return Boolean is begin return Wide_Character'Pos (Item) < 256; end Is_Character; function Is_Character (Item : Wide_Wide_Character) return Boolean is begin return Wide_Wide_Character'Pos (Item) < 256; end Is_Character; --------------- -- Is_String -- --------------- function Is_String (Item : Wide_String) return Boolean is begin for J in Item'Range loop if Wide_Character'Pos (Item (J)) >= 256 then return False; end if; end loop; return True; end Is_String; function Is_String (Item : Wide_Wide_String) return Boolean is begin for J in Item'Range loop if Wide_Wide_Character'Pos (Item (J)) >= 256 then return False; end if; end loop; return True; end Is_String; ----------------------- -- Is_Wide_Character -- ----------------------- function Is_Wide_Character (Item : Wide_Wide_Character) return Boolean is begin return Wide_Wide_Character'Pos (Item) < 2**16; end Is_Wide_Character; -------------------- -- Is_Wide_String -- -------------------- function Is_Wide_String (Item : Wide_Wide_String) return Boolean is begin for J in Item'Range loop if Wide_Wide_Character'Pos (Item (J)) >= 2**16 then return False; end if; end loop; return True; end Is_Wide_String; ------------------ -- To_Character -- ------------------ function To_Character (Item : Wide_Character; Substitute : Character := ' ') return Character is begin if Is_Character (Item) then return Character'Val (Wide_Character'Pos (Item)); else return Substitute; end if; end To_Character; function To_Character (Item : Wide_Wide_Character; Substitute : Character := ' ') return Character is begin if Is_Character (Item) then return Character'Val (Wide_Wide_Character'Pos (Item)); else return Substitute; end if; end To_Character; --------------- -- To_String -- --------------- function To_String (Item : Wide_String; Substitute : Character := ' ') return String is Result : String (1 .. Item'Length); begin for J in Item'Range loop Result (J - (Item'First - 1)) := To_Character (Item (J), Substitute); end loop; return Result; end To_String; function To_String (Item : Wide_Wide_String; Substitute : Character := ' ') return String is Result : String (1 .. Item'Length); begin for J in Item'Range loop Result (J - (Item'First - 1)) := To_Character (Item (J), Substitute); end loop; return Result; end To_String; ----------------------- -- To_Wide_Character -- ----------------------- function To_Wide_Character (Item : Character) return Wide_Character is begin return Wide_Character'Val (Character'Pos (Item)); end To_Wide_Character; function To_Wide_Character (Item : Wide_Wide_Character; Substitute : Wide_Character := ' ') return Wide_Character is begin if Wide_Wide_Character'Pos (Item) < 2**16 then return Wide_Character'Val (Wide_Wide_Character'Pos (Item)); else return Substitute; end if; end To_Wide_Character; -------------------- -- To_Wide_String -- -------------------- function To_Wide_String (Item : String) return Wide_String is Result : Wide_String (1 .. Item'Length); begin for J in Item'Range loop Result (J - (Item'First - 1)) := To_Wide_Character (Item (J)); end loop; return Result; end To_Wide_String; function To_Wide_String (Item : Wide_Wide_String; Substitute : Wide_Character := ' ') return Wide_String is Result : Wide_String (1 .. Item'Length); begin for J in Item'Range loop Result (J - (Item'First - 1)) := To_Wide_Character (Item (J), Substitute); end loop; return Result; end To_Wide_String; ---------------------------- -- To_Wide_Wide_Character -- ---------------------------- function To_Wide_Wide_Character (Item : Character) return Wide_Wide_Character is begin return Wide_Wide_Character'Val (Character'Pos (Item)); end To_Wide_Wide_Character; function To_Wide_Wide_Character (Item : Wide_Character) return Wide_Wide_Character is begin return Wide_Wide_Character'Val (Wide_Character'Pos (Item)); end To_Wide_Wide_Character; ------------------------- -- To_Wide_Wide_String -- ------------------------- function To_Wide_Wide_String (Item : String) return Wide_Wide_String is Result : Wide_Wide_String (1 .. Item'Length); begin for J in Item'Range loop Result (J - (Item'First - 1)) := To_Wide_Wide_Character (Item (J)); end loop; return Result; end To_Wide_Wide_String; function To_Wide_Wide_String (Item : Wide_String) return Wide_Wide_String is Result : Wide_Wide_String (1 .. Item'Length); begin for J in Item'Range loop Result (J - (Item'First - 1)) := To_Wide_Wide_Character (Item (J)); end loop; return Result; end To_Wide_Wide_String; end Ada.Characters.Conversions;