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/* charsets.h
 * Routines for handling character sets
 *
 * $Id$
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#ifndef __CHARSETS_H__
#define __CHARSETS_H__

#include "ws_symbol_export.h"

#include <epan/tvbuff.h>
#include <epan/value_string.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef enum {
   DVB_ENCODING_INVALID   = -3, /* length invalid */
   DVB_ENCODING_RESERVED  = -2, /* reserved by spec */

   DVB_ENCODING_UNKNOWN   = -1,  /* not defined by spec */

   DVB_ENCODING_LATIN = 0,
   DVB_ENCODING_ISO_8859_5,
   DVB_ENCODING_ISO_8859_6,
   DVB_ENCODING_ISO_8859_7,
   DVB_ENCODING_ISO_8859_8,
   DVB_ENCODING_ISO_8859_9,
   DVB_ENCODING_ISO_8859_10,
   DVB_ENCODING_ISO_8859_11,
   /* 0x08 is reserved */
   DVB_ENCODING_ISO_8859_13 = 9,
   DVB_ENCODING_ISO_8859_14,
   DVB_ENCODING_ISO_8859_15,

   /* TODO: 0x11...0x15 */

   DVB_ENCODING_EXT_BASE = 0x100000,
   DVB_ENCODING_EXT_ISO_8859_1  = DVB_ENCODING_EXT_BASE |  1,
   DVB_ENCODING_EXT_ISO_8859_2  = DVB_ENCODING_EXT_BASE |  2,
   DVB_ENCODING_EXT_ISO_8859_3  = DVB_ENCODING_EXT_BASE |  3,
   DVB_ENCODING_EXT_ISO_8859_4  = DVB_ENCODING_EXT_BASE |  4,
   DVB_ENCODING_EXT_ISO_8859_5  = DVB_ENCODING_EXT_BASE |  5,
   DVB_ENCODING_EXT_ISO_8859_6  = DVB_ENCODING_EXT_BASE |  6,
   DVB_ENCODING_EXT_ISO_8859_7  = DVB_ENCODING_EXT_BASE |  7,
   DVB_ENCODING_EXT_ISO_8859_8  = DVB_ENCODING_EXT_BASE |  8,
   DVB_ENCODING_EXT_ISO_8859_9  = DVB_ENCODING_EXT_BASE |  9,
   DVB_ENCODING_EXT_ISO_8859_10 = DVB_ENCODING_EXT_BASE | 10,
   DVB_ENCODING_EXT_ISO_8859_11 = DVB_ENCODING_EXT_BASE | 11,
   /* DVB_ENCODING_ISO_8859_12 = DVB_ENCODING_EXT_BASE | 12 */
   DVB_ENCODING_EXT_ISO_8859_13 = DVB_ENCODING_EXT_BASE | 13,
   DVB_ENCODING_EXT_ISO_8859_14 = DVB_ENCODING_EXT_BASE | 14,
   DVB_ENCODING_EXT_ISO_8859_15 = DVB_ENCODING_EXT_BASE | 15,
} dvb_encoding_e;

extern const value_string dvb_string_encoding_vals[];

WS_DLL_PUBLIC
guint dvb_analyze_string_charset(tvbuff_t *tvb, int offset, int length,
      dvb_encoding_e *encoding);

WS_DLL_PUBLIC
guint dvb_enc_to_item_enc(dvb_encoding_e encoding);


#if 0
void ASCII_to_EBCDIC(guint8 *buf, guint bytes);
guint8 ASCII_to_EBCDIC1(guint8 c);
#endif
WS_DLL_PUBLIC
void EBCDIC_to_ASCII(guint8 *buf, guint bytes);
WS_DLL_PUBLIC
guint8 EBCDIC_to_ASCII1(guint8 c);

/*
 * Translation tables that map the upper 128 code points in single-byte
 * "extended ASCII" character encodings to Unicode code points in the
 * Basic Multilingual Plane.
 */

/* Table for windows-1250 */
extern const gunichar2 charset_table_cp1250[0x80];

/* Tables for ISO-8859-X */
extern const gunichar2 charset_table_iso_8859_2[0x80];

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __CHARSETS_H__ */