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------------------------------------------------------------------------------
-- --
-- ASIS UTILITY LIBRARY COMPONENTS --
-- --
-- A S I S _ U L . W I D E _ S T R I N G S --
-- --
-- B o d y --
-- --
-- Copyright (C) 2008-2017, AdaCore --
-- --
-- Asis Utility Library (ASIS UL) is free software; you can redistribute it --
-- and/or modify it under terms of the GNU General Public License as --
-- published by the Free Software Foundation; either version 2, or (at your --
-- option) any later version. ASIS UL 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 distributed with GNAT; see file --
-- COPYING. If not, write to the Free Software Foundation, 51 Franklin --
-- Street, Fifth Floor, Boston, MA 02110-1301, USA. --
-- --
-- ASIS UL is maintained by AdaCore (http://www.adacore.com). --
-- --
------------------------------------------------------------------------------
with GNAT.Table;
package body ASIS_UL.Wide_Strings is
package Wide_Chars is new GNAT.Table (
Table_Component_Type => Wide_Character,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 10000,
Table_Increment => 1000,
Table_Name => "Wide_Character container");
Table : Wide_Chars.Table_Ptr renames Wide_Chars.Table;
-----------------------
-- Enter_Wide_String --
-----------------------
function Enter_Wide_String (S : Wide_String) return Wide_String_Loc is
Len : constant Integer := S'Length;
F : Integer;
begin
if Len = 0 then
return Nil_Wide_String_Loc;
else
Wide_Chars.Increment_Last;
F := Wide_Chars.Last;
Wide_Chars.Set_Last (F + Len - 1);
Table (F .. F + Len - 1) := Wide_Chars.Table_Type (S);
return (F, F + Len - 1);
end if;
end Enter_Wide_String;
---------------------
-- Get_Wide_String --
---------------------
function Get_Wide_String (SL : Wide_String_Loc) return Wide_String is
begin
if SL = Nil_Wide_String_Loc then
return "";
else
return Wide_String (Table (SL.First .. SL.Last));
end if;
end Get_Wide_String;
----------
-- Init --
----------
procedure Init is
begin
Wide_Chars.Init;
end Init;
--------------
-- Is_Equal --
--------------
function Is_Equal (S : Wide_String; SL : Wide_String_Loc) return Boolean is
Result : Boolean := False;
begin
if SL.First in 1 .. Wide_Chars.Last
and then
SL.Last in 1 .. Wide_Chars.Last
and then
SL.Last - SL.First + 1 = S'Length
then
Result := S = Get_Wide_String (SL);
end if;
return Result;
end Is_Equal;
end ASIS_UL.Wide_Strings;
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