gcc/ada/a-wtenio.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --       A D A . W I D E _ T E X T _ I O . E N U M E R A T I O N _ I O      --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2006, 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 2,  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.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 with Ada.Wide_Text_IO.Enumeration_Aux;
  35
  36 package body Ada.Wide_Text_IO.Enumeration_IO is
  37
  38    package Aux renames Ada.Wide_Text_IO.Enumeration_Aux;
  39
  40    ---------
  41    -- Get --
  42    ---------
  43
  44    procedure Get (File : File_Type; Item : out Enum) is
  45       Buf    : Wide_String (1 .. Enum'Width);
  46       Buflen : Natural;
  47    begin
  48       Aux.Get_Enum_Lit (File, Buf, Buflen);
  49       Item := Enum'Wide_Value (Buf (1 .. Buflen));
  50    exception
  51       when Constraint_Error => raise Data_Error;
  52    end Get;
  53
  54    procedure Get (Item : out Enum) is
  55    begin
  56       Get (Current_Input, Item);
  57    end Get;
  58
  59    procedure Get
  60      (From : Wide_String;
  61       Item : out Enum;
  62       Last : out Positive)
  63    is
  64       Start : Natural;
  65    begin
  66       Aux.Scan_Enum_Lit (From, Start, Last);
  67       Item := Enum'Wide_Value (From (Start .. Last));
  68    exception
  69       when Constraint_Error => raise Data_Error;
  70    end Get;
  71
  72    ---------
  73    -- Put --
  74    ---------
  75
  76    procedure Put
  77      (File  : File_Type;
  78       Item  : Enum;
  79       Width : Field := Default_Width;
  80       Set   : Type_Set := Default_Setting)
  81    is
  82       Image : constant Wide_String := Enum'Wide_Image (Item);
  83    begin
  84       Aux.Put (File, Image, Width, Set);
  85    end Put;
  86
  87    procedure Put
  88      (Item  : Enum;
  89       Width : Field := Default_Width;
  90       Set   : Type_Set := Default_Setting)
  91    is
  92    begin
  93       Put (Current_Output, Item, Width, Set);
  94    end Put;
  95
  96    procedure Put
  97      (To   : out Wide_String;
  98       Item : Enum;
  99       Set  : Type_Set := Default_Setting)
 100    is
 101       Image : constant Wide_String := Enum'Wide_Image (Item);
 102    begin
 103       Aux.Puts (To, Image, Set);
 104    end Put;
 105
 106 end Ada.Wide_Text_IO.Enumeration_IO;