1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--             A D A . W I D E _ T E X T _ I O . F L O A T _ I O            --
6--                                                                          --
7--                                 B o d y                                  --
8--                                                                          --
9--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
10--                                                                          --
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.                                     --
17--                                                                          --
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.               --
21--                                                                          --
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/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32with Ada.Wide_Text_IO.Float_Aux;
33
34with System.WCh_Con; use System.WCh_Con;
35with System.WCh_WtS; use System.WCh_WtS;
36
37package body Ada.Wide_Text_IO.Float_IO is
38
39   subtype TFT is Ada.Wide_Text_IO.File_Type;
40   --  File type required for calls to routines in Aux
41
42   package Aux renames Ada.Wide_Text_IO.Float_Aux;
43
44   ---------
45   -- Get --
46   ---------
47
48   procedure Get
49     (File  : File_Type;
50      Item  : out Num;
51      Width : Field := 0)
52   is
53   begin
54      Aux.Get (TFT (File), Long_Long_Float (Item), Width);
55
56   exception
57      when Constraint_Error => raise Data_Error;
58   end Get;
59
60   procedure Get
61     (Item  : out Num;
62      Width : Field := 0)
63   is
64   begin
65      Get (Current_Input, Item, Width);
66   end Get;
67
68   procedure Get
69     (From : Wide_String;
70      Item : out Num;
71      Last : out Positive)
72   is
73      S : constant String := Wide_String_To_String (From, WCEM_Upper);
74      --  String on which we do the actual conversion. Note that the method
75      --  used for wide character encoding is irrelevant, since if there is
76      --  a character outside the Standard.Character range then the call to
77      --  Aux.Gets will raise Data_Error in any case.
78
79   begin
80      Aux.Gets (S, Long_Long_Float (Item), Last);
81
82   exception
83      when Constraint_Error => raise Data_Error;
84   end Get;
85
86   ---------
87   -- Put --
88   ---------
89
90   procedure Put
91     (File : File_Type;
92      Item : Num;
93      Fore : Field := Default_Fore;
94      Aft  : Field := Default_Aft;
95      Exp  : Field := Default_Exp)
96   is
97   begin
98      Aux.Put (TFT (File), Long_Long_Float (Item), Fore, Aft, Exp);
99   end Put;
100
101   procedure Put
102     (Item : Num;
103      Fore : Field := Default_Fore;
104      Aft  : Field := Default_Aft;
105      Exp  : Field := Default_Exp)
106   is
107   begin
108      Put (Current_Output, Item, Fore, Aft, Exp);
109   end Put;
110
111   procedure Put
112     (To   : out Wide_String;
113      Item : Num;
114      Aft  : Field := Default_Aft;
115      Exp  : Field := Default_Exp)
116   is
117      S : String (To'First .. To'Last);
118
119   begin
120      Aux.Puts (S, Long_Long_Float (Item), Aft, Exp);
121
122      for J in S'Range loop
123         To (J) := Wide_Character'Val (Character'Pos (S (J)));
124      end loop;
125   end Put;
126
127end Ada.Wide_Text_IO.Float_IO;
128