/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8 -*- */

/*

 * This file is part of The Croco Library

 *

 * Copyright (C) 2002-2003 Dodji Seketeli <dodji@seketeli.org>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of version 3 of the GNU General Public

 * License as published by the Free Software Foundation.

 *

 * This program 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

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307

 * USA

 */

/*

 *$Id: cr-enc-handler.h,v 1.6 2005/05/10 19:48:56 dodji Exp $

 */

/**

 *@file:

 *The declaration of the #CREncHandler class.

 *

 */

#ifndef __CR_ENC_HANDLER_H__

#define __CR_ENC_HANDLER_H__

#include "cr-utils.h"

G_BEGIN_DECLS

typedef struct _CREncHandler CREncHandler ;

typedef enum CRStatus (*CREncInputFunc) (const guchar * a_in,

                                         gulong *a_in_len,

                                         guchar *a_out,

                                         gulong *a_out_len) ;

typedef enum CRStatus (*CREncOutputFunc) (const guchar * a_in,

                                          gulong *a_in_len,

                                          guchar *a_out,

                                          gulong *a_out_len) ;

typedef enum CRStatus (*CREncInputStrLenAsUtf8Func) 

(const guchar *a_in_start,

 const guchar *a_in_end,

 gulong *a_in_size);

typedef enum CRStatus  (*CREncUtf8StrLenAsOutputFunc)

(const guchar *a_in_start,

 const guchar *a_in_end,

 gulong *a_in_size) ;

/**

 *This class is responsible of the

 *the encoding conversions stuffs in

 *libcroco.

 */

struct _CREncHandler

{

        enum CREncoding encoding ;

        CREncInputFunc decode_input ;                

        CREncInputFunc encode_output ;

        CREncInputStrLenAsUtf8Func enc_str_len_as_utf8 ;

        CREncUtf8StrLenAsOutputFunc utf8_str_len_as_enc ;

} ;

CREncHandler *

cr_enc_handler_get_instance (enum CREncoding a_enc) ;

enum CRStatus

cr_enc_handler_resolve_enc_alias (const guchar *a_alias_name, 

                                  enum CREncoding *a_enc) ;

enum CRStatus

cr_enc_handler_convert_input (CREncHandler *a_this,

                              const guchar *a_in,

                              gulong *a_in_len,

                              guchar **a_out,

                              gulong *a_out_len) ;

G_END_DECLS

#endif /*__CR_ENC_HANDLER_H__*/