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-------------------------------------------------------------------------------
--
-- This unit is part of the @Asis2@ ASIS secondary library.
--
-- <STRONG>Copyright (c) 2002, 2003 by Thomas Wolf.</STRONG>
-- <BLOCKQUOTE>
-- AdaBrowse 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, or (at your option) any
-- later version. AdaBrowse is distributed in the hope that it will be
-- useful, but <EM>without any warranty</EM>; without even the implied
-- warranty of <EM>merchantability or fitness for a particular purpose.</EM>
-- See the GNU General Public License for more details. You should have
-- received a copy of the GNU General Public License with this distribution,
-- see file "<A HREF="GPL.txt">GPL.txt</A>". If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-- USA.
-- </BLOCKQUOTE>
-- <BLOCKQUOTE>
-- As a special exception from the GPL, 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 GPL. This exception does not however invalidate any
-- other reasons why the executable file might be covered by the GPL.
-- </BLOCKQUOTE>
--
-- <AUTHOR>
-- Thomas Wolf (TW) <E_MAIL>
-- </AUTHOR>
--
-- <PURPOSE>
-- Commonly useful operations on @Wide_String@.
-- </PURPOSE>
--
-- <HISTORY>
-- 18-JUL-2003 TW Initial version.
-- </HISTORY>
-------------------------------------------------------------------------------
pragma License (Modified_GPL);
with Ada.Strings.Wide_Fixed;
package body Asis2.Text is
package ASF renames Ada.Strings.Wide_Fixed;
package ASM renames Ada.Strings.Wide_Maps;
package ASC renames Ada.Strings.Wide_Maps.Wide_Constants;
----------------------------------------------------------------------------
function To_Lower
(Source : in Wide_String)
return Wide_String
is
begin
return ASF.Translate (Source, ASC.Lower_Case_Map);
end To_Lower;
function To_Upper
(Source : in Wide_String)
return Wide_String
is
begin
return ASF.Translate (Source, ASC.Upper_Case_Map);
end To_Upper;
function To_Basic
(Source : in Wide_String)
return Wide_String
is
begin
return ASF.Translate (Source, ASC.Basic_Map);
end To_Basic;
----------------------------------------------------------------------------
function To_Mixed
(Source : in Wide_String)
return Wide_String
is
Result : Wide_String (1 .. Source'Length);
Alpha_Num : Boolean := False;
J : Natural := 1;
use ASC, ASM;
begin
for I in Source'Range loop
if not Alpha_Num then
Result (J) := Value (Upper_Case_Map, Source (I));
else
Result (J) := Value (Lower_Case_Map, Source (I));
end if;
Alpha_Num := Is_In (Source (I), Alphanumeric_Set);
J := J + 1;
end loop;
return Result;
end To_Mixed;
----------------------------------------------------------------------------
function Trim
(Source : in Wide_String)
return Wide_String
is
begin
return ASF.Trim (Source, White_Space, White_Space);
end Trim;
end Asis2.Text;
|
