1  /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
       2  
       3  /* libcroco - Library for parsing and applying CSS
       4   * Copyright (C) 2006-2019 Free Software Foundation, Inc.
       5   *
       6   * This file is not part of the GNU gettext program, but is used with
       7   * GNU gettext.
       8   *
       9   * The original copyright notice is as follows:
      10   */
      11  
      12  /*
      13   * This file is part of The Croco Library
      14   *
      15   * Copyright (C) 2002-2003 Dodji Seketeli <dodji@seketeli.org>
      16   *
      17   * This program is free software; you can redistribute it and/or
      18   * modify it under the terms of version 2.1 of the GNU Lesser General Public
      19   * License as published by the Free Software Foundation.
      20   *
      21   * This program is distributed in the hope that it will be useful,
      22   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      23   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      24   * GNU General Public License for more details.
      25   *
      26   * You should have received a copy of the GNU Lesser General Public License
      27   * along with this program; if not, write to the Free Software
      28   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
      29   * USA
      30   */
      31  
      32  /*
      33   *$Id$
      34   */
      35  
      36  /**
      37   *@file:
      38   *The declaration of the #CREncHandler class.
      39   *
      40   */
      41  
      42  #ifndef __CR_ENC_HANDLER_H__
      43  #define __CR_ENC_HANDLER_H__
      44  
      45  #include "cr-utils.h"
      46  
      47  G_BEGIN_DECLS
      48  
      49  
      50  typedef struct _CREncHandler CREncHandler ;
      51  
      52  typedef enum CRStatus (*CREncInputFunc) (const guchar * a_in,
      53                                           gulong *a_in_len,
      54                                           guchar *a_out,
      55                                           gulong *a_out_len) ;
      56  
      57  typedef enum CRStatus (*CREncOutputFunc) (const guchar * a_in,
      58                                            gulong *a_in_len,
      59                                            guchar *a_out,
      60                                            gulong *a_out_len) ;
      61  
      62  typedef enum CRStatus (*CREncInputStrLenAsUtf8Func) 
      63  (const guchar *a_in_start,
      64   const guchar *a_in_end,
      65   gulong *a_in_size);
      66  
      67  typedef enum CRStatus  (*CREncUtf8StrLenAsOutputFunc)
      68  (const guchar *a_in_start,
      69   const guchar *a_in_end,
      70   gulong *a_in_size) ;
      71  
      72  /**
      73   *This class is responsible of the
      74   *the encoding conversions stuffs in
      75   *libcroco.
      76   */
      77  
      78  struct _CREncHandler
      79  {
      80          enum CREncoding encoding ;
      81          CREncInputFunc decode_input ;                
      82          CREncInputFunc encode_output ;
      83          CREncInputStrLenAsUtf8Func enc_str_len_as_utf8 ;
      84          CREncUtf8StrLenAsOutputFunc utf8_str_len_as_enc ;
      85  } ;
      86  
      87  CREncHandler *
      88  cr_enc_handler_get_instance (enum CREncoding a_enc) ;
      89  
      90  enum CRStatus
      91  cr_enc_handler_resolve_enc_alias (const guchar *a_alias_name, 
      92                                    enum CREncoding *a_enc) ;
      93  
      94  enum CRStatus
      95  cr_enc_handler_convert_input (CREncHandler *a_this,
      96                                const guchar *a_in,
      97                                gulong *a_in_len,
      98                                guchar **a_out,
      99                                gulong *a_out_len) ;
     100  
     101  G_END_DECLS
     102  
     103  #endif /*__CR_ENC_HANDLER_H__*/