gcc/ada/a-suteio.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --         A D A . S T R I N G S . U N B O U N D E D . T E X T _ I O        --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --                                                                          --
  10 --          Copyright (C) 1997-1999 Free Software Foundation, Inc.          --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- As a special exception,  if other files  instantiate  generics from this --
  24 -- unit, or you link  this unit with other files  to produce an executable, --
  25 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  26 -- covered  by the  GNU  General  Public  License.  This exception does not --
  27 -- however invalidate  any other reasons why  the executable file  might be --
  28 -- covered by the  GNU Public License.                                      --
  29 --                                                                          --
  30 -- GNAT was originally developed  by the GNAT team at  New York University. --
  31 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  32 --                                                                          --
  33 ------------------------------------------------------------------------------
  34
  35 with Ada.Strings.Unbounded.Aux; use Ada.Strings.Unbounded.Aux;
  36 with Ada.Text_IO;               use Ada.Text_IO;
  37
  38 package body Ada.Strings.Unbounded.Text_IO is
  39
  40    --------------
  41    -- Get_Line --
  42    --------------
  43
  44    function Get_Line return Unbounded_String is
  45       Buffer : String (1 .. 1000);
  46       Last   : Natural;
  47       Str1   : String_Access;
  48       Str2   : String_Access;
  49       Result : Unbounded_String;
  50
  51    begin
  52       Get_Line (Buffer, Last);
  53       Str1 := new String'(Buffer (1 .. Last));
  54
  55       while Last = Buffer'Last loop
  56          Get_Line (Buffer, Last);
  57          Str2 := new String'(Str1.all & Buffer (1 .. Last));
  58          Free (Str1);
  59          Str1 := Str2;
  60       end loop;
  61
  62       Set_String (Result, Str1);
  63       return Result;
  64    end Get_Line;
  65
  66    function Get_Line (File : Ada.Text_IO.File_Type) return Unbounded_String is
  67       Buffer : String (1 .. 1000);
  68       Last   : Natural;
  69       Str1   : String_Access;
  70       Str2   : String_Access;
  71       Result : Unbounded_String;
  72
  73    begin
  74       Get_Line (File, Buffer, Last);
  75       Str1 := new String'(Buffer (1 .. Last));
  76
  77       while Last = Buffer'Last loop
  78          Get_Line (File, Buffer, Last);
  79          Str2 := new String'(Str1.all & Buffer (1 .. Last));
  80          Free (Str1);
  81          Str1 := Str2;
  82       end loop;
  83
  84       Set_String (Result, Str1);
  85       return Result;
  86    end Get_Line;
  87
  88    ---------
  89    -- Put --
  90    ---------
  91
  92    procedure Put (U : Unbounded_String) is
  93    begin
  94       Put (Get_String (U).all);
  95    end Put;
  96
  97    procedure Put (File : File_Type; U : Unbounded_String) is
  98    begin
  99       Put (File, Get_String (U).all);
 100    end Put;
 101
 102    --------------
 103    -- Put_Line --
 104    --------------
 105
 106    procedure Put_Line (U : Unbounded_String) is
 107    begin
 108       Put_Line (Get_String (U).all);
 109    end Put_Line;
 110
 111    procedure Put_Line (File : File_Type; U : Unbounded_String) is
 112    begin
 113       Put_Line (File, Get_String (U).all);
 114    end Put_Line;
 115
 116 end Ada.Strings.Unbounded.Text_IO;