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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-marshal-basic.h Marshalling routines for basic (primitive) types
*
* Copyright (C) 2002 CodeFactory AB
* Copyright (C) 2004, 2005 Red Hat, Inc.
*
* Licensed under the Academic Free License version 2.1
*
* 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_BASIC_H
#define DBUS_MARSHAL_BASIC_H
#include <config.h>
#include <dbus/dbus-protocol.h>
#include <dbus/dbus-types.h>
#include <dbus/dbus-arch-deps.h>
#include <dbus/dbus-string.h>
#ifndef PACKAGE
#error "config.h not included here"
#endif
/****************************************************** Remove later */
#undef DBUS_TYPE_INVALID
#undef DBUS_TYPE_NIL
#undef DBUS_TYPE_CUSTOM
#undef DBUS_TYPE_BYTE
#undef DBUS_TYPE_INT32
#undef DBUS_TYPE_UINT32
#undef DBUS_TYPE_INT64
#undef DBUS_TYPE_UINT64
#undef DBUS_TYPE_DOUBLE
#undef DBUS_TYPE_STRING
#undef DBUS_TYPE_OBJECT_PATH
#undef DBUS_TYPE_ARRAY
#undef DBUS_TYPE_DICT
#undef DBUS_TYPE_VARIANT
#undef DBUS_TYPE_STRUCT
#undef DBUS_NUMBER_OF_TYPES
/* Never a legitimate type */
#define DBUS_TYPE_INVALID ((int) '\0')
#define DBUS_TYPE_INVALID_AS_STRING "\0"
/* Primitive types */
#define DBUS_TYPE_BYTE ((int) 'y')
#define DBUS_TYPE_BYTE_AS_STRING "y"
#define DBUS_TYPE_BOOLEAN ((int) 'b')
#define DBUS_TYPE_BOOLEAN_AS_STRING "b"
#define DBUS_TYPE_INT32 ((int) 'i')
#define DBUS_TYPE_INT32_AS_STRING "i"
#define DBUS_TYPE_UINT32 ((int) 'u')
#define DBUS_TYPE_UINT32_AS_STRING "u"
#define DBUS_TYPE_INT64 ((int) 'x')
#define DBUS_TYPE_INT64_AS_STRING "x"
#define DBUS_TYPE_UINT64 ((int) 't')
#define DBUS_TYPE_UINT64_AS_STRING "t"
#define DBUS_TYPE_DOUBLE ((int) 'd')
#define DBUS_TYPE_DOUBLE_AS_STRING "d"
#define DBUS_TYPE_STRING ((int) 's')
#define DBUS_TYPE_STRING_AS_STRING "s"
#define DBUS_TYPE_OBJECT_PATH ((int) 'o')
#define DBUS_TYPE_OBJECT_PATH_AS_STRING "o"
#define DBUS_TYPE_SIGNATURE ((int) 'g')
#define DBUS_TYPE_SIGNATURE_AS_STRING "g"
/* Compound types */
#define DBUS_TYPE_ARRAY ((int) 'a')
#define DBUS_TYPE_ARRAY_AS_STRING "a"
#define DBUS_TYPE_VARIANT ((int) 'v')
#define DBUS_TYPE_VARIANT_AS_STRING "v"
/* STRUCT is sort of special since its code can't appear in a type string,
* instead DBUS_STRUCT_BEGIN_CHAR has to appear
*/
#define DBUS_TYPE_STRUCT ((int) 'r')
#define DBUS_TYPE_STRUCT_AS_STRING "r"
/* Does not count INVALID */
#define DBUS_NUMBER_OF_TYPES (13)
/* characters other than typecodes that appear in type signatures */
#define DBUS_STRUCT_BEGIN_CHAR ((int) '(')
#define DBUS_STRUCT_BEGIN_CHAR_AS_STRING "("
#define DBUS_STRUCT_END_CHAR ((int) ')')
#define DBUS_STRUCT_END_CHAR_AS_STRING ")"
#define DBUS_MAXIMUM_SIGNATURE_LENGTH 255
#define DBUS_MAXIMUM_ARRAY_LENGTH (67108864)
#define DBUS_MAXIMUM_ARRAY_LENGTH_BITS 26
#define DBUS_MAXIMUM_MESSAGE_LENGTH (DBUS_MAXIMUM_ARRAY_LENGTH * 2)
#define DBUS_MAXIMUM_MESSAGE_LENGTH_BITS 27
static const char *
_hack_dbus_type_to_string (int type)
{
switch (type)
{
case DBUS_TYPE_INVALID:
return "invalid";
case DBUS_TYPE_BOOLEAN:
return "boolean";
case DBUS_TYPE_INT32:
return "int32";
case DBUS_TYPE_UINT32:
return "uint32";
case DBUS_TYPE_DOUBLE:
return "double";
case DBUS_TYPE_STRING:
return "string";
case DBUS_TYPE_OBJECT_PATH:
return "object_path";
case DBUS_TYPE_SIGNATURE:
return "signature";
case DBUS_TYPE_STRUCT:
return "struct";
case DBUS_TYPE_ARRAY:
return "array";
case DBUS_TYPE_VARIANT:
return "variant";
case DBUS_STRUCT_BEGIN_CHAR:
return "begin_struct";
case DBUS_STRUCT_END_CHAR:
return "end_struct";
default:
return "unknown";
}
}
#define _dbus_type_to_string(t) _hack_dbus_type_to_string(t)
/****************************************************** Remove later */
#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)))
#ifdef DBUS_HAVE_INT64
#define DBUS_UINT64_SWAP_LE_BE_CONSTANT(val) ((dbus_uint64_t) ( \
(((dbus_uint64_t) (val) & \
(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000000000ff)) << 56) | \
(((dbus_uint64_t) (val) & \
(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000000000ff00)) << 40) | \
(((dbus_uint64_t) (val) & \
(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000000000ff0000)) << 24) | \
(((dbus_uint64_t) (val) & \
(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00000000ff000000)) << 8) | \
(((dbus_uint64_t) (val) & \
(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x000000ff00000000)) >> 8) | \
(((dbus_uint64_t) (val) & \
(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x0000ff0000000000)) >> 24) | \
(((dbus_uint64_t) (val) & \
(dbus_uint64_t) DBUS_UINT64_CONSTANT (0x00ff000000000000)) >> 40) | \
(((dbus_uint64_t) (val) & \
(dbus_uint64_t) DBUS_UINT64_CONSTANT (0xff00000000000000)) >> 56)))
#endif /* DBUS_HAVE_INT64 */
#define DBUS_UINT32_SWAP_LE_BE(val) (DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
#define DBUS_INT32_SWAP_LE_BE(val) ((dbus_int32_t)DBUS_UINT32_SWAP_LE_BE_CONSTANT (val))
#ifdef DBUS_HAVE_INT64
#define DBUS_UINT64_SWAP_LE_BE(val) (DBUS_UINT64_SWAP_LE_BE_CONSTANT (val))
#define DBUS_INT64_SWAP_LE_BE(val) ((dbus_int64_t)DBUS_UINT64_SWAP_LE_BE_CONSTANT (val))
#endif /* DBUS_HAVE_INT64 */
#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_SWAP_LE_BE (val))
#define DBUS_UINT32_TO_LE(val) (DBUS_UINT32_SWAP_LE_BE (val))
# ifdef DBUS_HAVE_INT64
#define DBUS_INT64_TO_BE(val) ((dbus_int64_t) (val))
#define DBUS_UINT64_TO_BE(val) ((dbus_uint64_t) (val))
#define DBUS_INT64_TO_LE(val) (DBUS_INT64_SWAP_LE_BE (val))
#define DBUS_UINT64_TO_LE(val) (DBUS_UINT64_SWAP_LE_BE (val))
# endif /* DBUS_HAVE_INT64 */
#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))
# ifdef DBUS_HAVE_INT64
#define DBUS_INT64_TO_LE(val) ((dbus_int64_t) (val))
#define DBUS_UINT64_TO_LE(val) ((dbus_uint64_t) (val))
#define DBUS_INT64_TO_BE(val) ((dbus_int64_t) DBUS_UINT64_SWAP_LE_BE (val))
#define DBUS_UINT64_TO_BE(val) (DBUS_UINT64_SWAP_LE_BE (val))
# endif /* DBUS_HAVE_INT64 */
#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))
#ifdef DBUS_HAVE_INT64
#define DBUS_INT64_FROM_LE(val) (DBUS_INT64_TO_LE (val))
#define DBUS_UINT64_FROM_LE(val) (DBUS_UINT64_TO_LE (val))
#define DBUS_INT64_FROM_BE(val) (DBUS_INT64_TO_BE (val))
#define DBUS_UINT64_FROM_BE(val) (DBUS_UINT64_TO_BE (val))
#endif /* DBUS_HAVE_INT64 */
#ifdef DBUS_HAVE_INT64
typedef struct
{
dbus_uint32_t first32;
dbus_uint32_t second32;
} DBus8ByteStruct;
#endif /* DBUS_HAVE_INT64 */
typedef union
{
dbus_int32_t i32;
dbus_uint32_t u32;
#ifdef DBUS_HAVE_INT64
dbus_int64_t i64;
dbus_uint64_t u64;
#else
DBus8ByteStruct u64;
#endif
double dbl;
unsigned char byt;
unsigned char boo;
char *str;
} DBusBasicValue;
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_set_basic (DBusString *str,
int pos,
int type,
const void *value,
int byte_order,
int *old_end_pos,
int *new_end_pos);
dbus_bool_t _dbus_marshal_write_basic (DBusString *str,
int insert_at,
int type,
const void *value,
int byte_order,
int *pos_after);
dbus_bool_t _dbus_marshal_write_fixed_array (DBusString *str,
int insert_at,
int element_type,
const void *value,
int n_elements,
int byte_order,
int *pos_after);
void _dbus_marshal_read_basic (const DBusString *str,
int pos,
int type,
void *value,
int byte_order,
int *new_pos);
void _dbus_marshal_read_fixed_array (const DBusString *str,
int pos,
int element_type,
void *value,
int *n_elements,
int byte_order,
int *new_pos);
void _dbus_marshal_skip_basic (const DBusString *str,
int type,
int byte_order,
int *pos);
void _dbus_marshal_skip_array (const DBusString *str,
int element_type,
int byte_order,
int *pos);
void _dbus_marshal_set_uint32 (DBusString *str,
int pos,
dbus_uint32_t value,
int byte_order);
dbus_uint32_t _dbus_marshal_read_uint32 (const DBusString *str,
int pos,
int byte_order,
int *new_pos);
dbus_bool_t _dbus_type_is_valid (int typecode);
int _dbus_type_get_alignment (int typecode);
dbus_bool_t _dbus_type_is_basic (int typecode);
dbus_bool_t _dbus_type_is_container (int typecode);
dbus_bool_t _dbus_type_is_fixed (int typecode);
#endif /* DBUS_MARSHAL_BASIC_H */
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