1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--           A D A . W I D E _ T E X T _ I O . M O D U L A R _ 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.Modular_Aux;
33
34with System.Unsigned_Types; use System.Unsigned_Types;
35with System.WCh_Con;        use System.WCh_Con;
36with System.WCh_WtS;        use System.WCh_WtS;
37
38package body Ada.Wide_Text_IO.Modular_IO is
39
40   subtype TFT is Ada.Wide_Text_IO.File_Type;
41   --  File type required for calls to routines in Aux
42
43   package Aux renames Ada.Wide_Text_IO.Modular_Aux;
44
45   ---------
46   -- Get --
47   ---------
48
49   procedure Get
50     (File  : File_Type;
51      Item  : out Num;
52      Width : Field := 0)
53   is
54   begin
55      if Num'Size > Unsigned'Size then
56         Aux.Get_LLU (TFT (File), Long_Long_Unsigned (Item), Width);
57      else
58         Aux.Get_Uns (TFT (File), Unsigned (Item), Width);
59      end if;
60
61   exception
62      when Constraint_Error => raise Data_Error;
63   end Get;
64
65   procedure Get
66     (Item  : out Num;
67      Width : Field := 0)
68   is
69   begin
70      Get (Current_Input, Item, Width);
71   end Get;
72
73   procedure Get
74     (From : Wide_String;
75      Item : out Num;
76      Last : out Positive)
77   is
78      S : constant String := Wide_String_To_String (From, WCEM_Upper);
79      --  String on which we do the actual conversion. Note that the method
80      --  used for wide character encoding is irrelevant, since if there is
81      --  a character outside the Standard.Character range then the call to
82      --  Aux.Gets will raise Data_Error in any case.
83
84   begin
85      if Num'Size > Unsigned'Size then
86         Aux.Gets_LLU (S, Long_Long_Unsigned (Item), Last);
87      else
88         Aux.Gets_Uns (S, Unsigned (Item), Last);
89      end if;
90
91   exception
92      when Constraint_Error => raise Data_Error;
93   end Get;
94
95   ---------
96   -- Put --
97   ---------
98
99   procedure Put
100     (File  : File_Type;
101      Item  : Num;
102      Width : Field := Default_Width;
103      Base  : Number_Base := Default_Base)
104   is
105   begin
106      if Num'Size > Unsigned'Size then
107         Aux.Put_LLU (TFT (File), Long_Long_Unsigned (Item), Width, Base);
108      else
109         Aux.Put_Uns (TFT (File), Unsigned (Item), Width, Base);
110      end if;
111   end Put;
112
113   procedure Put
114     (Item  : Num;
115      Width : Field := Default_Width;
116      Base  : Number_Base := Default_Base)
117   is
118   begin
119      Put (Current_Output, Item, Width, Base);
120   end Put;
121
122   procedure Put
123     (To   : out Wide_String;
124      Item : Num;
125      Base : Number_Base := Default_Base)
126   is
127      S : String (To'First .. To'Last);
128
129   begin
130      if Num'Size > Unsigned'Size then
131         Aux.Puts_LLU (S, Long_Long_Unsigned (Item), Base);
132      else
133         Aux.Puts_Uns (S, Unsigned (Item), Base);
134      end if;
135
136      for J in S'Range loop
137         To (J) := Wide_Character'Val (Character'Pos (S (J)));
138      end loop;
139   end Put;
140
141end Ada.Wide_Text_IO.Modular_IO;
142