1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--        A D A . W I D E _ 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_Wide_Text_IO.Float_Aux;
33with System.WCh_Con; use System.WCh_Con;
34with System.WCh_WtS; use System.WCh_WtS;
35
36package body Ada.Wide_Wide_Text_IO.Float_IO is
37
38   subtype TFT is Ada.Wide_Wide_Text_IO.File_Type;
39   --  File type required for calls to routines in Aux
40
41   package Aux renames Ada.Wide_Wide_Text_IO.Float_Aux;
42
43   ---------
44   -- Get --
45   ---------
46
47   procedure Get
48     (File  : File_Type;
49      Item  : out Num;
50      Width : Field := 0)
51   is
52   begin
53      Aux.Get (TFT (File), Long_Long_Float (Item), Width);
54
55   exception
56      when Constraint_Error => raise Data_Error;
57   end Get;
58
59   procedure Get
60     (Item  : out Num;
61      Width : Field := 0)
62   is
63   begin
64      Get (Current_Input, Item, Width);
65   end Get;
66
67   procedure Get
68     (From : Wide_Wide_String;
69      Item : out Num;
70      Last : out Positive)
71   is
72      S : constant String := Wide_Wide_String_To_String (From, WCEM_Upper);
73      --  String on which we do the actual conversion. Note that the method
74      --  used for wide character encoding is irrelevant, since if there is
75      --  a character outside the Standard.Character range then the call to
76      --  Aux.Gets will raise Data_Error in any case.
77
78   begin
79      Aux.Gets (S, Long_Long_Float (Item), Last);
80
81   exception
82      when Constraint_Error => raise Data_Error;
83   end Get;
84
85   ---------
86   -- Put --
87   ---------
88
89   procedure Put
90     (File : File_Type;
91      Item : Num;
92      Fore : Field := Default_Fore;
93      Aft  : Field := Default_Aft;
94      Exp  : Field := Default_Exp)
95   is
96   begin
97      Aux.Put (TFT (File), Long_Long_Float (Item), Fore, Aft, Exp);
98   end Put;
99
100   procedure Put
101     (Item : Num;
102      Fore : Field := Default_Fore;
103      Aft  : Field := Default_Aft;
104      Exp  : Field := Default_Exp)
105   is
106   begin
107      Put (Current_Output, Item, Fore, Aft, Exp);
108   end Put;
109
110   procedure Put
111     (To   : out Wide_Wide_String;
112      Item : Num;
113      Aft  : Field := Default_Aft;
114      Exp  : Field := Default_Exp)
115   is
116      S : String (To'First .. To'Last);
117
118   begin
119      Aux.Puts (S, Long_Long_Float (Item), Aft, Exp);
120
121      for J in S'Range loop
122         To (J) := Wide_Wide_Character'Val (Character'Pos (S (J)));
123      end loop;
124   end Put;
125
126end Ada.Wide_Wide_Text_IO.Float_IO;
127