------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- ADA.STRINGS.WIDE_WIDE_UNBOUNDED.WIDE_WIDE_TEXT_IO -- -- -- -- B o d y -- -- -- -- Copyright (C) 1997-2005, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 2, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING. If not, write -- -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- -- Boston, MA 02110-1301, USA. -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with Ada.Wide_Wide_Text_IO; use Ada.Wide_Wide_Text_IO; package body Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO is -------------- -- Get_Line -- -------------- function Get_Line return Unbounded_Wide_Wide_String is Buffer : Wide_Wide_String (1 .. 1000); Last : Natural; Str1 : Wide_Wide_String_Access; Str2 : Wide_Wide_String_Access; Result : Unbounded_Wide_Wide_String; begin Get_Line (Buffer, Last); Str1 := new Wide_Wide_String'(Buffer (1 .. Last)); while Last = Buffer'Last loop Get_Line (Buffer, Last); Str2 := new Wide_Wide_String'(Str1.all & Buffer (1 .. Last)); Free (Str1); Str1 := Str2; end loop; Result.Reference := Str1; Result.Last := Str1'Length; return Result; end Get_Line; function Get_Line (File : Ada.Wide_Wide_Text_IO.File_Type) return Unbounded_Wide_Wide_String is Buffer : Wide_Wide_String (1 .. 1000); Last : Natural; Str1 : Wide_Wide_String_Access; Str2 : Wide_Wide_String_Access; Result : Unbounded_Wide_Wide_String; begin Get_Line (File, Buffer, Last); Str1 := new Wide_Wide_String'(Buffer (1 .. Last)); while Last = Buffer'Last loop Get_Line (File, Buffer, Last); Str2 := new Wide_Wide_String'(Str1.all & Buffer (1 .. Last)); Free (Str1); Str1 := Str2; end loop; Result.Reference := Str1; Result.Last := Str1'Length; return Result; end Get_Line; procedure Get_Line (Item : out Unbounded_Wide_Wide_String) is begin Get_Line (Current_Input, Item); end Get_Line; procedure Get_Line (File : Ada.Wide_Wide_Text_IO.File_Type; Item : out Unbounded_Wide_Wide_String) is begin -- We are going to read into the string that is already there and -- allocated. Hopefully it is big enough now, if not, we will extend -- it in the usual manner using Realloc_For_Chunk. -- Make sure we start with at least 80 characters if Item.Reference'Last < 80 then Realloc_For_Chunk (Item, 80); end if; -- Loop to read data, filling current string as far as possible. -- Item.Last holds the number of characters read so far. Item.Last := 0; loop Get_Line (File, Item.Reference (Item.Last + 1 .. Item.Reference'Last), Item.Last); -- If we hit the end of the line before the end of the buffer, then -- we are all done, and the result length is properly set. if Item.Last < Item.Reference'Last then return; end if; -- If not enough room, double it and keep reading Realloc_For_Chunk (Item, Item.Last); end loop; end Get_Line; --------- -- Put -- --------- procedure Put (U : Unbounded_Wide_Wide_String) is begin Put (U.Reference (1 .. U.Last)); end Put; procedure Put (File : File_Type; U : Unbounded_Wide_Wide_String) is begin Put (File, U.Reference (1 .. U.Last)); end Put; -------------- -- Put_Line -- -------------- procedure Put_Line (U : Unbounded_Wide_Wide_String) is begin Put_Line (U.Reference (1 .. U.Last)); end Put_Line; procedure Put_Line (File : File_Type; U : Unbounded_Wide_Wide_String) is begin Put_Line (File, U.Reference (1 .. U.Last)); end Put_Line; end Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO;