gcc/ada/a-swuwti.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --                  ADA.STRINGS.WIDE_UNBOUNDED.WIDE_TEXT_IO                 --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1997-2005 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,  59 Temple Place - Suite 330,  Boston, --
  20 -- MA 02111-1307, 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.Strings.Wide_Unbounded.Aux; use Ada.Strings.Wide_Unbounded.Aux;
  35 with Ada.Wide_Text_IO;               use Ada.Wide_Text_IO;
  36
  37 package body Ada.Strings.Wide_Unbounded.Wide_Text_IO is
  38
  39    --------------
  40    -- Get_Line --
  41    --------------
  42
  43    function Get_Line return Unbounded_Wide_String is
  44       Buffer : Wide_String (1 .. 1000);
  45       Last   : Natural;
  46       Str1   : Wide_String_Access;
  47       Str2   : Wide_String_Access;
  48       Result : Unbounded_Wide_String;
  49
  50    begin
  51       Get_Line (Buffer, Last);
  52       Str1 := new Wide_String'(Buffer (1 .. Last));
  53       while Last = Buffer'Last loop
  54          Get_Line (Buffer, Last);
  55          Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last));
  56          Free (Str1);
  57          Str1 := Str2;
  58       end loop;
  59
  60       Set_Wide_String (Result, Str1);
  61       return Result;
  62    end Get_Line;
  63
  64    function Get_Line
  65      (File : Ada.Wide_Text_IO.File_Type) return Unbounded_Wide_String
  66    is
  67       Buffer : Wide_String (1 .. 1000);
  68       Last   : Natural;
  69       Str1   : Wide_String_Access;
  70       Str2   : Wide_String_Access;
  71       Result : Unbounded_Wide_String;
  72
  73    begin
  74       Get_Line (File, Buffer, Last);
  75       Str1 := new Wide_String'(Buffer (1 .. Last));
  76
  77       while Last = Buffer'Last loop
  78          Get_Line (File, Buffer, Last);
  79          Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last));
  80          Free (Str1);
  81          Str1 := Str2;
  82       end loop;
  83
  84       Set_Wide_String (Result, Str1);
  85       return Result;
  86    end Get_Line;
  87
  88    procedure Get_Line (Item : out Unbounded_Wide_String) is
  89       Buffer : Wide_String (1 .. 1000);
  90       Last   : Natural;
  91       Str1   : Wide_String_Access;
  92       Str2   : Wide_String_Access;
  93
  94    begin
  95       Get_Line (Buffer, Last);
  96       Str1 := new Wide_String'(Buffer (1 .. Last));
  97       while Last = Buffer'Last loop
  98          Get_Line (Buffer, Last);
  99          Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last));
 100          Free (Str1);
 101          Str1 := Str2;
 102       end loop;
 103
 104       Set_Wide_String (Item, Str1);
 105    end Get_Line;
 106
 107    procedure Get_Line
 108      (File : Ada.Wide_Text_IO.File_Type;
 109       Item : out Unbounded_Wide_String)
 110    is
 111       Buffer : Wide_String (1 .. 1000);
 112       Last   : Natural;
 113       Str1   : Wide_String_Access;
 114       Str2   : Wide_String_Access;
 115
 116    begin
 117       Get_Line (File, Buffer, Last);
 118       Str1 := new Wide_String'(Buffer (1 .. Last));
 119       while Last = Buffer'Last loop
 120          Get_Line (Buffer, Last);
 121          Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last));
 122          Free (Str1);
 123          Str1 := Str2;
 124       end loop;
 125
 126       Set_Wide_String (Item, Str1);
 127    end Get_Line;
 128
 129    ---------
 130    -- Put --
 131    ---------
 132
 133    procedure Put (U : Unbounded_Wide_String) is
 134    begin
 135       Put (Get_Wide_String (U).all);
 136    end Put;
 137
 138    procedure Put (File : File_Type; U : Unbounded_Wide_String) is
 139    begin
 140       Put (File, Get_Wide_String (U).all);
 141    end Put;
 142
 143    --------------
 144    -- Put_Line --
 145    --------------
 146
 147    procedure Put_Line (U : Unbounded_Wide_String) is
 148    begin
 149       Put_Line (Get_Wide_String (U).all);
 150    end Put_Line;
 151
 152    procedure Put_Line (File : File_Type; U : Unbounded_Wide_String) is
 153    begin
 154       Put_Line (File, Get_Wide_String (U).all);
 155    end Put_Line;
 156
 157 end Ada.Strings.Wide_Unbounded.Wide_Text_IO;