/* -*- 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 #include #include #include #include #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 */