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- ------------------------------------------------------------------------------
- -- --
- -- GNAT RUNTIME COMPONENTS --
- -- --
- -- A D A . T E X T _ I O . W I D E _ T E X T _ IO . C O M P L E X _ I O --
- -- --
- -- B o d y --
- -- --
- -- $Revision: 1.1 $ --
- -- --
- -- Copyright (c) 1992,1993,1994,1995 NYU, All Rights Reserved --
- -- --
- -- The GNAT library is free software; you can redistribute it and/or modify --
- -- it under terms of the GNU Library General Public License as published by --
- -- the Free Software Foundation; either version 2, or (at your option) any --
- -- later version. The GNAT library is distributed in the hope that it will --
- -- be useful, but WITHOUT ANY WARRANTY; without even the implied warranty --
- -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
- -- Library General Public License for more details. You should have --
- -- received a copy of the GNU Library General Public License along with --
- -- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
- -- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
- -- --
- ------------------------------------------------------------------------------
-
- with Ada.Text_IO.Complex_Aux;
- with System.WCh_Con; use System.WCh_Con;
- with System.WCh_WtS; use System.WCh_WtS;
-
- with Ada.Unchecked_Conversion;
-
- package body Ada.Text_IO.Wide_Text_IO.Complex_IO is
-
- package Aux renames Ada.Text_IO.Complex_Aux;
- -- We can share the normal Text_IO circuits for the non-string cases
- -- since numeric values involve no wide character values, and the first
- -- character of a wide character value (ESC or an upper half character)
- -- always looks non-numeric for the Get case). For the Wide_String cases
- -- we can share the normal Text_IO circuits by converting to String.
-
- subtype LLF is Long_Long_Float;
- -- Type used for calls to routines in Aux
-
- -- subtype TFT is Ada.Text_IO.File_Type;
- -- File type required for calls to routines in Aux
-
- function TFT is new
- Ada.Unchecked_Conversion (File_Type, Ada.Text_IO.File_Type);
- -- This unchecked conversion is to get around a visibility bug in
- -- GNAT version 2.04w. It should be possible to simply use the
- -- subtype declared above and do normal checked conversions.
-
- ---------
- -- Get --
- ---------
-
- procedure Get
- (File : in File_Type;
- Item : out Complex;
- Width : in Field := 0)
- is
- Real_Item : Real'Base;
- Imag_Item : Real'Base;
-
- begin
- Aux.Get (TFT (File), LLF (Real_Item), LLF (Imag_Item), Width);
- Item := (Real_Item, Imag_Item);
-
- exception
- when Constraint_Error => raise Data_Error;
- end Get;
-
- ---------
- -- Get --
- ---------
-
- procedure Get
- (Item : out Complex;
- Width : in Field := 0)
- is
- begin
- Get (Current_Input, Item, Width);
- end Get;
-
- ---------
- -- Get --
- ---------
-
- procedure Get
- (From : in Wide_String;
- Item : out Complex;
- Last : out Positive)
- is
- Real_Item : Real'Base;
- Imag_Item : Real'Base;
-
- S : constant String := Wide_String_To_String (From, WCEM_Upper);
- -- String on which we do the actual conversion. Note that the method
- -- used for wide character encoding is irrelevant, since if there is
- -- a character outside the Standard.Character range then the call to
- -- Aux.Gets will raise Data_Error in any case.
-
- begin
- Aux.Gets (S, LLF (Real_Item), LLF (Imag_Item), Last);
- Item := (Real_Item, Imag_Item);
-
- exception
- when Data_Error => raise Constraint_Error;
- end Get;
-
- ---------
- -- Put --
- ---------
-
- procedure Put
- (File : in File_Type;
- Item : in Complex;
- Fore : in Field := Default_Fore;
- Aft : in Field := Default_Aft;
- Exp : in Field := Default_Exp)
- is
- begin
- Aux.Put (TFT (File), LLF (Re (Item)), LLF (Im (Item)), Fore, Aft, Exp);
- end Put;
-
- ---------
- -- Put --
- ---------
-
- procedure Put
- (Item : in Complex;
- Fore : in Field := Default_Fore;
- Aft : in Field := Default_Aft;
- Exp : in Field := Default_Exp)
- is
- begin
- Put (Current_Output, Item, Fore, Aft, Exp);
- end Put;
-
- ---------
- -- Put --
- ---------
-
- procedure Put
- (To : out Wide_String;
- Item : in Complex;
- Aft : in Field := Default_Aft;
- Exp : in Field := Default_Exp)
- is
- S : String (To'First .. To'Last);
-
- begin
- Aux.Puts (S, LLF (Re (Item)), LLF (Im (Item)), Aft, Exp);
-
- for J in S'Range loop
- To (J) := Wide_Character'Val (Character'Pos (S (J)));
- end loop;
-
- end Put;
-
- end Ada.Text_IO.Wide_Text_IO.Complex_IO;
-