7#ifndef ZEPHYR_INCLUDE_DATA_JSON_H_
8#define ZEPHYR_INCLUDE_DATA_JSON_H_
129#define Z_ALIGN_SHIFT(type) (__alignof__(type) == 1 ? 0 : \
130 __alignof__(type) == 2 ? 1 : \
131 __alignof__(type) == 4 ? 2 : 3)
153#define JSON_OBJ_DESCR_PRIM(struct_, field_name_, type_) \
155 .field_name = (#field_name_), \
156 .align_shift = Z_ALIGN_SHIFT(struct_), \
157 .field_name_len = sizeof(#field_name_) - 1, \
159 .offset = offsetof(struct_, field_name_), \
186#define JSON_OBJ_DESCR_OBJECT(struct_, field_name_, sub_descr_) \
188 .field_name = (#field_name_), \
189 .align_shift = Z_ALIGN_SHIFT(struct_), \
190 .field_name_len = (sizeof(#field_name_) - 1), \
191 .type = JSON_TOK_OBJECT_START, \
192 .offset = offsetof(struct_, field_name_), \
194 .sub_descr = sub_descr_, \
195 .sub_descr_len = ARRAY_SIZE(sub_descr_), \
208#define Z_JSON_ELEMENT_DESCR(struct_, len_field_, elem_type_, union_) \
209 (const struct json_obj_descr[]) \
212 .align_shift = Z_ALIGN_SHIFT(struct_), \
213 .type = elem_type_, \
214 .offset = offsetof(struct_, len_field_), \
225#define Z_JSON_DESCR_ARRAY(elem_descr_, elem_descr_len_) \
228 .element_descr = elem_descr_, \
229 .n_elements = elem_descr_len_, \
239#define Z_JSON_DESCR_OBJ(elem_descr_, elem_descr_len_) \
242 .sub_descr = elem_descr_, \
243 .sub_descr_len = elem_descr_len_, \
269#define JSON_OBJ_DESCR_ARRAY(struct_, field_name_, max_len_, \
270 len_field_, elem_type_) \
272 .field_name = (#field_name_), \
273 .align_shift = Z_ALIGN_SHIFT(struct_), \
274 .field_name_len = sizeof(#field_name_) - 1, \
275 .type = JSON_TOK_ARRAY_START, \
276 .offset = offsetof(struct_, field_name_), \
278 .element_descr = Z_JSON_ELEMENT_DESCR(struct_, len_field_, \
280 .n_elements = (max_len_), \
318#define JSON_OBJ_DESCR_OBJ_ARRAY(struct_, field_name_, max_len_, \
319 len_field_, elem_descr_, elem_descr_len_) \
321 .field_name = (#field_name_), \
322 .align_shift = Z_ALIGN_SHIFT(struct_), \
323 .field_name_len = sizeof(#field_name_) - 1, \
324 .type = JSON_TOK_ARRAY_START, \
325 .offset = offsetof(struct_, field_name_), \
327 .element_descr = Z_JSON_ELEMENT_DESCR(struct_, len_field_, \
328 JSON_TOK_OBJECT_START, \
329 Z_JSON_DESCR_OBJ(elem_descr_, elem_descr_len_)), \
330 .n_elements = (max_len_), \
377#define JSON_OBJ_DESCR_ARRAY_ARRAY(struct_, field_name_, max_len_, len_field_, \
378 elem_descr_, elem_descr_len_) \
380 .field_name = (#field_name_), \
381 .align_shift = Z_ALIGN_SHIFT(struct_), \
382 .field_name_len = sizeof(#field_name_) - 1, \
383 .type = JSON_TOK_ARRAY_START, \
384 .offset = offsetof(struct_, field_name_), \
386 .element_descr = Z_JSON_ELEMENT_DESCR( \
387 struct_, len_field_, JSON_TOK_ARRAY_START, \
388 Z_JSON_DESCR_ARRAY( \
390 1 + ZERO_OR_COMPILE_ERROR(elem_descr_len_ == 1))), \
391 .n_elements = (max_len_), \
412#define JSON_OBJ_DESCR_ARRAY_ARRAY_NAMED(struct_, json_field_name_, struct_field_name_, \
413 max_len_, len_field_, elem_descr_, elem_descr_len_) \
415 .field_name = (#json_field_name_), \
416 .align_shift = Z_ALIGN_SHIFT(struct_), \
417 .field_name_len = sizeof(#json_field_name_) - 1, \
418 .type = JSON_TOK_ARRAY_START, \
419 .offset = offsetof(struct_, struct_field_name_), \
421 .element_descr = Z_JSON_ELEMENT_DESCR( \
422 struct_, len_field_, JSON_TOK_ARRAY_START, \
423 Z_JSON_DESCR_ARRAY( \
425 1 + ZERO_OR_COMPILE_ERROR(elem_descr_len_ == 1))), \
426 .n_elements = (max_len_), \
444#define JSON_OBJ_DESCR_PRIM_NAMED(struct_, json_field_name_, \
445 struct_field_name_, type_) \
447 .field_name = (json_field_name_), \
448 .align_shift = Z_ALIGN_SHIFT(struct_), \
449 .field_name_len = sizeof(json_field_name_) - 1, \
451 .offset = offsetof(struct_, struct_field_name_), \
467#define JSON_OBJ_DESCR_OBJECT_NAMED(struct_, json_field_name_, \
468 struct_field_name_, sub_descr_) \
470 .field_name = (json_field_name_), \
471 .align_shift = Z_ALIGN_SHIFT(struct_), \
472 .field_name_len = (sizeof(json_field_name_) - 1), \
473 .type = JSON_TOK_OBJECT_START, \
474 .offset = offsetof(struct_, struct_field_name_), \
476 .sub_descr = sub_descr_, \
477 .sub_descr_len = ARRAY_SIZE(sub_descr_), \
497#define JSON_OBJ_DESCR_ARRAY_NAMED(struct_, json_field_name_,\
498 struct_field_name_, max_len_, len_field_, \
501 .field_name = (json_field_name_), \
502 .align_shift = Z_ALIGN_SHIFT(struct_), \
503 .field_name_len = sizeof(json_field_name_) - 1, \
504 .type = JSON_TOK_ARRAY_START, \
505 .offset = offsetof(struct_, struct_field_name_), \
508 Z_JSON_ELEMENT_DESCR(struct_, len_field_, elem_type_,), \
509 .n_elements = (max_len_), \
553#define JSON_OBJ_DESCR_OBJ_ARRAY_NAMED(struct_, json_field_name_, \
554 struct_field_name_, max_len_, \
555 len_field_, elem_descr_, \
558 .field_name = json_field_name_, \
559 .align_shift = Z_ALIGN_SHIFT(struct_), \
560 .field_name_len = sizeof(json_field_name_) - 1, \
561 .type = JSON_TOK_ARRAY_START, \
562 .offset = offsetof(struct_, struct_field_name_), \
564 .element_descr = Z_JSON_ELEMENT_DESCR(struct_, len_field_, \
565 JSON_TOK_OBJECT_START, \
566 Z_JSON_DESCR_OBJ(elem_descr_, elem_descr_len_)), \
567 .n_elements = (max_len_), \
673 size_t descr_len,
void *val);
710 size_t descr_len,
const void *val);
738 const void *val,
char *buffer,
size_t buf_size);
753 char *buffer,
size_t buf_size);
json_tokens
Definition json.h:26
ssize_t json_calc_encoded_len(const struct json_obj_descr *descr, size_t descr_len, const void *val)
Calculates the string length to fully encode an object.
ssize_t json_escape(char *str, size_t *len, size_t buf_size)
Escapes the string so it can be used to encode JSON objects.
int json_arr_encode(const struct json_obj_descr *descr, const void *val, json_append_bytes_t append_bytes, void *data)
Encodes an array using an arbitrary writer function.
size_t json_calc_escaped_len(const char *str, size_t len)
Calculates the JSON-escaped string length.
int json_arr_separate_object_parse_init(struct json_obj *json, char *payload, size_t len)
Initialize single-object array parsing.
int json_arr_separate_parse_object(struct json_obj *json, const struct json_obj_descr *descr, size_t descr_len, void *val)
Parse a single object from array.
int64_t json_obj_parse(char *json, size_t len, const struct json_obj_descr *descr, size_t descr_len, void *val)
Parses the JSON-encoded object pointed to by json, with size len, according to the descriptor pointed...
int json_arr_parse(char *json, size_t len, const struct json_obj_descr *descr, void *val)
Parses the JSON-encoded array pointed to by json, with size len, according to the descriptor pointed ...
int json_obj_encode_buf(const struct json_obj_descr *descr, size_t descr_len, const void *val, char *buffer, size_t buf_size)
Encodes an object in a contiguous memory location.
int(* json_append_bytes_t)(const char *bytes, size_t len, void *data)
Function pointer type to append bytes to a buffer while encoding JSON data.
Definition json.h:126
ssize_t json_calc_encoded_arr_len(const struct json_obj_descr *descr, const void *val)
Calculates the string length to fully encode an array.
int json_arr_encode_buf(const struct json_obj_descr *descr, const void *val, char *buffer, size_t buf_size)
Encodes an array in a contiguous memory location.
int json_obj_encode(const struct json_obj_descr *descr, size_t descr_len, const void *val, json_append_bytes_t append_bytes, void *data)
Encodes an object using an arbitrary writer function.
@ JSON_TOK_OBJ_ARRAY
Definition json.h:43
@ JSON_TOK_ARRAY_END
Definition json.h:36
@ JSON_TOK_INT64
Definition json.h:45
@ JSON_TOK_COLON
Definition json.h:38
@ JSON_TOK_UINT64
Definition json.h:46
@ JSON_TOK_COMMA
Definition json.h:39
@ JSON_TOK_OBJECT_START
Definition json.h:33
@ JSON_TOK_OBJECT_END
Definition json.h:34
@ JSON_TOK_TRUE
Definition json.h:47
@ JSON_TOK_FALSE
Definition json.h:48
@ JSON_TOK_NONE
Definition json.h:32
@ JSON_TOK_NULL
Definition json.h:49
@ JSON_TOK_OPAQUE
Definition json.h:42
@ JSON_TOK_ARRAY_START
Definition json.h:35
@ JSON_TOK_FLOAT
Definition json.h:41
@ JSON_TOK_STRING
Definition json.h:37
@ JSON_TOK_EOF
Definition json.h:51
@ JSON_TOK_NUMBER
Definition json.h:40
@ JSON_TOK_ENCODED_OBJ
Definition json.h:44
@ JSON_TOK_ERROR
Definition json.h:50
__SIZE_TYPE__ ssize_t
Definition types.h:28
__UINT32_TYPE__ uint32_t
Definition stdint.h:90
__INT64_TYPE__ int64_t
Definition stdint.h:75
char * pos
Definition json.h:63
char * start
Definition json.h:62
struct json_token tok
Definition json.h:65
char * end
Definition json.h:64
const struct json_obj_descr * element_descr
Definition json.h:108
const char * field_name
Definition json.h:79
uint32_t align_shift
Definition json.h:86
const struct json_obj_descr * sub_descr
Definition json.h:104
uint32_t field_name_len
Definition json.h:89
uint32_t offset
Definition json.h:100
uint32_t type
Definition json.h:97
struct json_obj_descr::@176::@179 array
struct json_obj_descr::@176::@178 object
size_t n_elements
Definition json.h:109
size_t sub_descr_len
Definition json.h:105
size_t length
Definition json.h:74
char * start
Definition json.h:73
struct json_lexer lex
Definition json.h:69
char * start
Definition json.h:56
enum json_tokens type
Definition json.h:55
char * end
Definition json.h:57