gcc/ada/libgnat/a-swuwti__shared.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                  ADA.STRINGS.WIDE_UNBOUNDED.WIDE_TEXT_IO                 --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1997-2017, 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; use Ada.Wide_Text_IO;
  33
  34 package body Ada.Strings.Wide_Unbounded.Wide_Text_IO is
  35
  36    --------------
  37    -- Get_Line --
  38    --------------
  39
  40    function Get_Line return Unbounded_Wide_String is
  41       Buffer : Wide_String (1 .. 1000);
  42       Last   : Natural;
  43       Result : Unbounded_Wide_String;
  44
  45    begin
  46       Get_Line (Buffer, Last);
  47       Set_Unbounded_Wide_String (Result, Buffer (1 .. Last));
  48
  49       while Last = Buffer'Last loop
  50          Get_Line (Buffer, Last);
  51          Append (Result, Buffer (1 .. Last));
  52       end loop;
  53
  54       return Result;
  55    end Get_Line;
  56
  57    function Get_Line
  58      (File : Ada.Wide_Text_IO.File_Type) return Unbounded_Wide_String
  59    is
  60       Buffer : Wide_String (1 .. 1000);
  61       Last   : Natural;
  62       Result : Unbounded_Wide_String;
  63
  64    begin
  65       Get_Line (File, Buffer, Last);
  66       Set_Unbounded_Wide_String (Result, Buffer (1 .. Last));
  67
  68       while Last = Buffer'Last loop
  69          Get_Line (File, Buffer, Last);
  70          Append (Result, Buffer (1 .. Last));
  71       end loop;
  72
  73       return Result;
  74    end Get_Line;
  75
  76    procedure Get_Line (Item : out Unbounded_Wide_String) is
  77    begin
  78       Get_Line (Current_Input, Item);
  79    end Get_Line;
  80
  81    procedure Get_Line
  82      (File : Ada.Wide_Text_IO.File_Type;
  83       Item : out Unbounded_Wide_String)
  84    is
  85       Buffer : Wide_String (1 .. 1000);
  86       Last   : Natural;
  87
  88    begin
  89       Get_Line (File, Buffer, Last);
  90       Set_Unbounded_Wide_String (Item, Buffer (1 .. Last));
  91
  92       while Last = Buffer'Last loop
  93          Get_Line (File, Buffer, Last);
  94          Append (Item, Buffer (1 .. Last));
  95       end loop;
  96    end Get_Line;
  97
  98    ---------
  99    -- Put --
 100    ---------
 101
 102    procedure Put (U : Unbounded_Wide_String) is
 103       UR : constant Shared_Wide_String_Access := U.Reference;
 104
 105    begin
 106       Put (UR.Data (1 .. UR.Last));
 107    end Put;
 108
 109    procedure Put (File : File_Type; U : Unbounded_Wide_String) is
 110       UR : constant Shared_Wide_String_Access := U.Reference;
 111
 112    begin
 113       Put (File, UR.Data (1 .. UR.Last));
 114    end Put;
 115
 116    --------------
 117    -- Put_Line --
 118    --------------
 119
 120    procedure Put_Line (U : Unbounded_Wide_String) is
 121       UR : constant Shared_Wide_String_Access := U.Reference;
 122
 123    begin
 124       Put_Line (UR.Data (1 .. UR.Last));
 125    end Put_Line;
 126
 127    procedure Put_Line (File : File_Type; U : Unbounded_Wide_String) is
 128       UR : constant Shared_Wide_String_Access := U.Reference;
 129
 130    begin
 131       Put_Line (File, UR.Data (1 .. UR.Last));
 132    end Put_Line;
 133
 134 end Ada.Strings.Wide_Unbounded.Wide_Text_IO;