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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-marshal.h Marshalling routines
*
* Copyright (C) 2002 CodeFactory AB
*
* Licensed under the Academic Free License version 1.2
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef DBUS_MARSHAL_H
#define DBUS_MARSHAL_H
#include <config.h>
#include <dbus/dbus-protocol.h>
#include <dbus/dbus-types.h>
#include <dbus/dbus-string.h>
#ifndef PACKAGE
#error "config.h not included here"
#endif
#ifdef WORDS_BIGENDIAN
#define DBUS_COMPILER_BYTE_ORDER DBUS_BIG_ENDIAN
#else
#define DBUS_COMPILER_BYTE_ORDER DBUS_LITTLE_ENDIAN
#endif
#define DBUS_UINT32_SWAP_LE_BE_CONSTANT(val) ((dbus_uint32_t) ( \
(((dbus_uint32_t) (val) & (dbus_uint32_t) 0x000000ffU) << 24) | \
(((dbus_uint32_t) (val) & (dbus_uint32_t) 0x0000ff00U) << 8) | \
(((dbus_uint32_t) (val) & (dbus_uint32_t) 0x00ff0000U) >> 8) | \
(((dbus_uint32_t) (val) & (dbus_uint32_t) 0xff000000U) >> 24)))
#define DBUS_UINT32_SWAP_LE_BE(val) (DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
#ifdef WORDS_BIGENDIAN
#define DBUS_INT32_TO_BE(val) ((dbus_int32_t) (val))
#define DBUS_UINT32_TO_BE(val) ((dbus_uint32_t) (val))
#define DBUS_INT32_TO_LE(val) ((dbus_int32_t) DBUS_UINT32_SWAP_LE_BE (val))
#define DBUS_UINT32_TO_LE(val) (DBUS_UINT32_SWAP_LE_BE (val))
#else
#define DBUS_INT32_TO_LE(val) ((dbus_int32_t) (val))
#define DBUS_UINT32_TO_LE(val) ((dbus_uint32_t) (val))
#define DBUS_INT32_TO_BE(val) ((dbus_int32_t) DBUS_UINT32_SWAP_LE_BE (val))
#define DBUS_UINT32_TO_BE(val) (DBUS_UINT32_SWAP_LE_BE (val))
#endif
/* The transformation is symmetric, so the FROM just maps to the TO. */
#define DBUS_INT32_FROM_LE(val) (DBUS_INT32_TO_LE (val))
#define DBUS_UINT32_FROM_LE(val) (DBUS_UINT32_TO_LE (val))
#define DBUS_INT32_FROM_BE(val) (DBUS_INT32_TO_BE (val))
#define DBUS_UINT32_FROM_BE(val) (DBUS_UINT32_TO_BE (val))
void _dbus_pack_int32 (dbus_int32_t value,
int byte_order,
unsigned char *data);
dbus_int32_t _dbus_unpack_int32 (int byte_order,
const unsigned char *data);
void _dbus_pack_uint32 (dbus_uint32_t value,
int byte_order,
unsigned char *data);
dbus_uint32_t _dbus_unpack_uint32 (int byte_order,
const unsigned char *data);
dbus_bool_t _dbus_marshal_double (DBusString *str,
int byte_order,
double value);
dbus_bool_t _dbus_marshal_int32 (DBusString *str,
int byte_order,
dbus_int32_t value);
dbus_bool_t _dbus_marshal_uint32 (DBusString *str,
int byte_order,
dbus_uint32_t value);
dbus_bool_t _dbus_marshal_string (DBusString *str,
int byte_order,
const char *value);
dbus_bool_t _dbus_marshal_byte_array (DBusString *str,
int byte_order,
const unsigned char *value,
int len);
double _dbus_demarshal_double (DBusString *str,
int byte_order,
int pos,
int *new_pos);
dbus_int32_t _dbus_demarshal_int32 (DBusString *str,
int byte_order,
int pos,
int *new_pos);
dbus_uint32_t _dbus_demarshal_uint32 (DBusString *str,
int byte_order,
int pos,
int *new_pos);
char * _dbus_demarshal_string (DBusString *str,
int byte_order,
int pos,
int *new_pos);
unsigned char *_dbus_demarshal_byte_array (DBusString *str,
int byte_order,
int pos,
int *new_pos,
int *array_len);
dbus_bool_t _dbus_marshal_get_field_end_pos (DBusString *str,
int byte_order,
int pos,
int *end_pos);
#endif /* DBUS_PROTOCOL_H */
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