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1996-09-28
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3KB
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50 lines
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- S Y S T E M . W C H _ W T S --
-- --
-- S p e c --
-- --
-- $Revision: 1.5 $ --
-- --
-- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
-- --
-- The GNAT library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU Library General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) any --
-- later version. The GNAT 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 --
-- Library General Public License for more details. You should have --
-- received a copy of the GNU Library General Public License along with --
-- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
-- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
-- This package contains the routine used to convert wide strings to
-- strings for use by wide character attributes (value, image etc.) and
-- also by the numeric IO subpackages of Ada.Text_IO.Wide_Text_IO.
with System.WCh_Con;
package System.WCh_WtS is
pragma Pure (WCh_WtS);
function Wide_String_To_String
(S : Wide_String;
EM : System.WCh_Con.WC_Encoding_Method)
return String;
-- This routine simply takes its argument and converts it to a string,
-- using the internal compiler escape sequence convention (defined in
-- package Widechar) to translate characters that are out of range
-- of type String. In the context of the Wide_Value attribute, the
-- argument is the original attribute argument, and the result is used
-- in a call to the corresponding Value attribute function. If the method
-- for encoding is a shift-in, shift-out convention, then it is assumed
-- that normal (non-wide character) mode holds at the start and end of
-- the result string. EM indicates the wide character encoding method.
end System.WCh_WtS;