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 --          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.Unbounded.Aux; use Ada.Strings.Unbounded.Aux;
  35 with Ada.Text_IO;               use Ada.Text_IO;
  36
  37 package body Ada.Strings.Unbounded.Text_IO is
  38
  39    --------------
  40    -- Get_Line --
  41    --------------
  42
  43    function Get_Line return Unbounded_String is
  44       Buffer : String (1 .. 1000);
  45       Last   : Natural;
  46       Str1   : String_Access;
  47       Str2   : String_Access;
  48       Result : Unbounded_String;
  49
  50    begin
  51       Get_Line (Buffer, Last);
  52       Str1 := new String'(Buffer (1 .. Last));
  53       while Last = Buffer'Last loop
  54          Get_Line (Buffer, Last);
  55          Str2 := new String'(Str1.all & Buffer (1 .. Last));
  56          Free (Str1);
  57          Str1 := Str2;
  58       end loop;
  59
  60       Set_String (Result, Str1);
  61       return Result;
  62    end Get_Line;
  63
  64    function Get_Line (File : Ada.Text_IO.File_Type) return Unbounded_String is
  65       Buffer : String (1 .. 1000);
  66       Last   : Natural;
  67       Str1   : String_Access;
  68       Str2   : String_Access;
  69       Result : Unbounded_String;
  70
  71    begin
  72       Get_Line (File, Buffer, Last);
  73       Str1 := new String'(Buffer (1 .. Last));
  74       while Last = Buffer'Last loop
  75          Get_Line (File, Buffer, Last);
  76          Str2 := new String'(Str1.all & Buffer (1 .. Last));
  77          Free (Str1);
  78          Str1 := Str2;
  79       end loop;
  80
  81       Set_String (Result, Str1);
  82       return Result;
  83    end Get_Line;
  84
  85    procedure Get_Line (Item : out Unbounded_String) is
  86       Buffer : String (1 .. 1000);
  87       Last   : Natural;
  88       Str1   : String_Access;
  89       Str2   : String_Access;
  90
  91    begin
  92       Get_Line (Buffer, Last);
  93       Str1 := new String'(Buffer (1 .. Last));
  94       while Last = Buffer'Last loop
  95          Get_Line (Buffer, Last);
  96          Str2 := new String'(Str1.all & Buffer (1 .. Last));
  97          Free (Str1);
  98          Str1 := Str2;
  99       end loop;
 100
 101       Set_String (Item, Str1);
 102    end Get_Line;
 103
 104    procedure Get_Line
 105      (File : Ada.Text_IO.File_Type;
 106       Item : out Unbounded_String)
 107    is
 108       Buffer : String (1 .. 1000);
 109       Last   : Natural;
 110       Str1   : String_Access;
 111       Str2   : String_Access;
 112
 113    begin
 114       Get_Line (File, Buffer, Last);
 115       Str1 := new String'(Buffer (1 .. Last));
 116       while Last = Buffer'Last loop
 117          Get_Line (Buffer, Last);
 118          Str2 := new String'(Str1.all & Buffer (1 .. Last));
 119          Free (Str1);
 120          Str1 := Str2;
 121       end loop;
 122
 123       Set_String (Item, Str1);
 124    end Get_Line;
 125
 126    ---------
 127    -- Put --
 128    ---------
 129
 130    procedure Put (U : Unbounded_String) is
 131    begin
 132       Put (Get_String (U).all);
 133    end Put;
 134
 135    procedure Put (File : File_Type; U : Unbounded_String) is
 136    begin
 137       Put (File, Get_String (U).all);
 138    end Put;
 139
 140    --------------
 141    -- Put_Line --
 142    --------------
 143
 144    procedure Put_Line (U : Unbounded_String) is
 145    begin
 146       Put_Line (Get_String (U).all);
 147    end Put_Line;
 148
 149    procedure Put_Line (File : File_Type; U : Unbounded_String) is
 150    begin
 151       Put_Line (File, Get_String (U).all);
 152    end Put_Line;
 153
 154 end Ada.Strings.Unbounded.Text_IO;