| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUNTIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . W C H _ C N V -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- $Revision: 1.3 $ |
| -- -- |
| -- Copyright (C) 1992-2000 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, 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. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This package contains generic subprograms used for converting between |
| -- sequences of Character and Wide_Character. All access to wide character |
| -- sequences is isolated in this unit. |
| |
| with System.WCh_Con; |
| |
| package System.WCh_Cnv is |
| pragma Pure (WCh_Cnv); |
| |
| generic |
| with function In_Char return Character; |
| function Char_Sequence_To_Wide_Char |
| (C : Character; |
| EM : System.WCh_Con.WC_Encoding_Method) |
| return Wide_Character; |
| -- C is the first character of a sequence of one or more characters which |
| -- represent a wide character sequence. Calling the function In_Char for |
| -- additional characters as required, Char_To_Wide_Char returns the |
| -- corresponding wide character value. Constraint_Error is raised if the |
| -- sequence of characters encountered is not a valid wide character |
| -- sequence for the given encoding method. |
| |
| generic |
| with procedure Out_Char (C : Character); |
| procedure Wide_Char_To_Char_Sequence |
| (WC : Wide_Character; |
| EM : System.WCh_Con.WC_Encoding_Method); |
| -- Given a wide character, converts it into a sequence of one or |
| -- more characters, calling the given Out_Char procedure for each. |
| -- Constraint_Error is raised if the given wide character value is |
| -- not a valid value for the given encoding method. |
| |
| end System.WCh_Cnv; |
