gcc/ada/libgnat/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) 1992-2018, 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
  32 with Ada.Wide_Text_IO.Enumeration_Aux;
  33
  34 package body Ada.Wide_Text_IO.Enumeration_IO is
  35
  36    package Aux renames Ada.Wide_Text_IO.Enumeration_Aux;
  37
  38    ---------
  39    -- Get --
  40    ---------
  41
  42    procedure Get (File : File_Type; Item : out Enum) is
  43       Buf    : Wide_String (1 .. Enum'Width);
  44       Buflen : Natural;
  45    begin
  46       Aux.Get_Enum_Lit (File, Buf, Buflen);
  47       Item := Enum'Wide_Value (Buf (1 .. Buflen));
  48    exception
  49       when Constraint_Error => raise Data_Error;
  50    end Get;
  51
  52    procedure Get (Item : out Enum) is
  53    begin
  54       Get (Current_Input, Item);
  55    end Get;
  56
  57    procedure Get
  58      (From : Wide_String;
  59       Item : out Enum;
  60       Last : out Positive)
  61    is
  62       Start : Natural;
  63    begin
  64       Aux.Scan_Enum_Lit (From, Start, Last);
  65       Item := Enum'Wide_Value (From (Start .. Last));
  66    exception
  67       when Constraint_Error => raise Data_Error;
  68    end Get;
  69
  70    ---------
  71    -- Put --
  72    ---------
  73
  74    procedure Put
  75      (File  : File_Type;
  76       Item  : Enum;
  77       Width : Field := Default_Width;
  78       Set   : Type_Set := Default_Setting)
  79    is
  80       Image : constant Wide_String := Enum'Wide_Image (Item);
  81    begin
  82       Aux.Put (File, Image, Width, Set);
  83    end Put;
  84
  85    procedure Put
  86      (Item  : Enum;
  87       Width : Field := Default_Width;
  88       Set   : Type_Set := Default_Setting)
  89    is
  90    begin
  91       Put (Current_Output, Item, Width, Set);
  92    end Put;
  93
  94    procedure Put
  95      (To   : out Wide_String;
  96       Item : Enum;
  97       Set  : Type_Set := Default_Setting)
  98    is
  99       Image : constant Wide_String := Enum'Wide_Image (Item);
 100    begin
 101       Aux.Puts (To, Image, Set);
 102    end Put;
 103
 104 end Ada.Wide_Text_IO.Enumeration_IO;