1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- A D A . W I D E _ W I D E _ T E X T _ IO . C O M P L E X _ I O --
9 -- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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. --
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. --
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/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 with Ada.Wide_Wide_Text_IO.Complex_Aux;
34 with System.WCh_Con; use System.WCh_Con;
35 with System.WCh_WtS; use System.WCh_WtS;
37 with Ada.Unchecked_Conversion;
39 package body Ada.Wide_Wide_Text_IO.Complex_IO is
41 package Aux renames Ada.Wide_Wide_Text_IO.Complex_Aux;
43 subtype LLF is Long_Long_Float;
44 -- Type used for calls to routines in Aux
47 Ada.Unchecked_Conversion (File_Type, Ada.Wide_Wide_Text_IO.File_Type);
48 -- This unchecked conversion is to get around a visibility bug in
49 -- GNAT version 2.04w. It should be possible to simply use the
50 -- subtype declared above and do normal checked conversions.
61 Real_Item : Real'Base;
62 Imag_Item : Real'Base;
65 Aux.Get (TFT (File), LLF (Real_Item), LLF (Imag_Item), Width);
66 Item := (Real_Item, Imag_Item);
69 when Constraint_Error => raise Data_Error;
81 Get (Current_Input, Item, Width);
89 (From : Wide_Wide_String;
93 Real_Item : Real'Base;
94 Imag_Item : Real'Base;
96 S : constant String := Wide_Wide_String_To_String (From, WCEM_Upper);
97 -- String on which we do the actual conversion. Note that the method
98 -- used for wide character encoding is irrelevant, since if there is
99 -- a character outside the Standard.Character range then the call to
100 -- Aux.Gets will raise Data_Error in any case.
103 Aux.Gets (S, LLF (Real_Item), LLF (Imag_Item), Last);
104 Item := (Real_Item, Imag_Item);
107 when Data_Error => raise Constraint_Error;
117 Fore : Field := Default_Fore;
118 Aft : Field := Default_Aft;
119 Exp : Field := Default_Exp)
122 Aux.Put (TFT (File), LLF (Re (Item)), LLF (Im (Item)), Fore, Aft, Exp);
131 Fore : Field := Default_Fore;
132 Aft : Field := Default_Aft;
133 Exp : Field := Default_Exp)
136 Put (Current_Output, Item, Fore, Aft, Exp);
144 (To : out Wide_Wide_String;
146 Aft : Field := Default_Aft;
147 Exp : Field := Default_Exp)
149 S : String (To'First .. To'Last);
152 Aux.Puts (S, LLF (Re (Item)), LLF (Im (Item)), Aft, Exp);
154 for J in S'Range loop
155 To (J) := Wide_Wide_Character'Val (Character'Pos (S (J)));
159 end Ada.Wide_Wide_Text_IO.Complex_IO;