/***************************************************************************
 *
 * rw_iso2022.h
 *
 * This is an internal header file used to implement the C++ Standard
 * Library. It should never be #included directly by a program.
 *
 * $Id$
 *
 ***************************************************************************
 *
 * Licensed to the Apache Software  Foundation (ASF) under one or more
 * contributor  license agreements.  See  the NOTICE  file distributed
 * with  this  work  for  additional information  regarding  copyright
 * ownership.   The ASF  licenses this  file to  you under  the Apache
 * License, Version  2.0 (the  "License"); you may  not use  this file
 * except in  compliance with the License.   You may obtain  a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the  License is distributed on an  "AS IS" BASIS,
 * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
 * implied.   See  the License  for  the  specific language  governing
 * permissions and limitations under the License.
 *
 * Copyright 1994-2006 Rogue Wave Software.
 * 
 **************************************************************************/

#ifndef _RWSTD_LOC_ISO2022_H_INCLUDED
#define _RWSTD_LOC_ISO2022_H_INCLUDED


#include <rw/_mbstate.h>   // for _RWSTD_MBSTATE_T
#include <rw/_defs.h>


_RWSTD_NAMESPACE (__rw) { 

enum encoding_type
{
    stateless,
    iso2022_jp,          /* stateful ISO-2022-JP encoding  */
    iso2022_jp2,         /* stateful ISO-2022-JP2 encoding */
    iso2022_kr,          /* stateful ISO-2022-KR encoding  */
    iso2022_cn           /* stateful ISO-2022-CN encoding  */
};
typedef enum encoding_type encoding_type_t;

// Type of encoding as indicated in the name string
int __rw_encoding_from_name (const char*);


// Conversions for ISO-2022-JP
_STD::codecvt_base::result
__rw_iso2022jp_do_in (_RWSTD_MBSTATE_T&,
                      const char*&, const char*,
                      wchar_t*&, wchar_t*);

_STD::codecvt_base::result
__rw_iso2022jp_do_out (_RWSTD_MBSTATE_T&,
                       const wchar_t*&, const wchar_t*,
                       char*&, char*);

_STD::codecvt_base::result 
__rw_iso2022jp_do_unshift (_RWSTD_MBSTATE_T&, char*&, char*);

int  __rw_iso2022jp_do_encoding ();
 
_RWSTD_SIZE_T __rw_iso2022jp_do_length (_RWSTD_MBSTATE_T&, const char*, 
                                        const char*, _RWSTD_SIZE_T);

_RWSTD_SIZE_T __rw_iso2022jp_do_max_length ();

bool __rw_iso2022_do_always_noconv ();


// Conversions for ISO-2022-JP-2
_STD::codecvt_base::result
__rw_iso2022jp2_do_in (_RWSTD_MBSTATE_T&,
                       const char*&, const char*,
                       wchar_t*&, wchar_t*);

_STD::codecvt_base::result
__rw_iso2022jp2_do_out (_RWSTD_MBSTATE_T&,
                       const wchar_t*&, const wchar_t*,
                       char*&, char*);

_STD::codecvt_base::result 
__rw_iso2022jp2_do_unshift (_RWSTD_MBSTATE_T&, char*&, char*);

int  __rw_iso2022jp2_do_encoding  ();

_RWSTD_SIZE_T __rw_iso2022jp2_do_length (_RWSTD_MBSTATE_T&, const char*, 
                                         const char*, _RWSTD_SIZE_T);

_RWSTD_SIZE_T __rw_iso2022jp2_do_max_length ();

bool __rw_iso2022jp2_do2_always_noconv ();


}   // namespace __rw

#endif   // _RWSTD_LOC_ISO2022_H_INCLUDED