-- --
-- procedure Copyright (c) Dmitry A. Kazakov --
-- Parsers.Generic_Source. Luebeck --
-- Get_UTF8_Text Winter, 2009 --
-- Implementation --
-- Last revision : 22:28 15 Feb 2009 --
-- --
-- This library is free software; you can redistribute it and/or --
-- modify it under the terms of the GNU General Public License as --
-- published by the Free Software Foundation; either version 2 of --
-- the License, or (at your option) any later version. This library --
-- is distributed in the hope that it will be useful, but WITHOUT --
-- 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 along with --
-- this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. --
--____________________________________________________________________--
with Ada.Exceptions; use Ada.Exceptions;
with Ada.IO_Exceptions; use Ada.IO_Exceptions;
with Strings_Edit.UTF8; use Strings_Edit.UTF8;
procedure Parsers.Generic_Source.Get_UTF8_Text
( Code : in out Source_Type;
Text : String;
Got_It : out Boolean;
Map : Unicode_Mapping := Identity
) is
Line : Line_Ptr_Type;
Code_1 : UTF8_Code_Point;
Code_2 : UTF8_Code_Point;
Pointer : Integer;
Index : Integer := Text'First;
Last : Integer;
begin
Get_Line (Code, Line, Pointer, Last);
if Last - Pointer >= Text'Length - 1 then
while Index <= Text'Last loop
begin
Get (Line.all, Pointer, Code_1);
exception
when Data_Error =>
Set_Pointer (Code, Pointer);
Set_Pointer (Code, Pointer);
Raise_Exception
( Syntax_Error'Identity,
"Invalid UTF-8 encoding at " & Image (Link (Code))
);
end;
Get (Text, Index, Code_2);
if Value (Map, Code_1) /= Value (Map, Code_2) then
Got_It := False;
return;
end if;
end loop;
Got_It := True;
Set_Pointer (Code, Pointer);
else
Got_It := False;
end if;
exception
when Data_Error | End_Error =>
Got_It := False;
end Parsers.Generic_Source.Get_UTF8_Text;