25 #ifndef SPA_POD_PARSER_H 26 #define SPA_POD_PARSER_H 56 #define SPA_POD_PARSER_INIT(buffer,size) (struct spa_pod_parser){ buffer, size, 0, {} } 59 const void *data, uint32_t size)
73 *state = parser->
state;
79 parser->
state = *state;
85 if (offset + 8 <=
size) {
337 #define SPA_POD_PARSER_COLLECT(pod,_type,args) \ 341 *va_arg(args, bool*) = SPA_POD_VALUE(struct spa_pod_bool, pod); \ 345 *va_arg(args, int32_t*) = SPA_POD_VALUE(struct spa_pod_int, pod); \ 348 *va_arg(args, int64_t*) = SPA_POD_VALUE(struct spa_pod_long, pod); \ 351 *va_arg(args, float*) = SPA_POD_VALUE(struct spa_pod_float, pod); \ 354 *va_arg(args, double*) = SPA_POD_VALUE(struct spa_pod_double, pod); \ 357 *va_arg(args, char**) = \ 358 (pod == NULL || (SPA_POD_TYPE(pod) == SPA_TYPE_None) \ 360 : (char *)SPA_POD_CONTENTS(struct spa_pod_string, pod)); \ 364 char *dest = va_arg(args, char*); \ 365 uint32_t maxlen = va_arg(args, uint32_t); \ 366 strncpy(dest, (char *)SPA_POD_CONTENTS(struct spa_pod_string, pod), maxlen-1); \ 367 dest[maxlen-1] = '\0'; \ 371 *(va_arg(args, void **)) = SPA_POD_CONTENTS(struct spa_pod_bytes, pod); \ 372 *(va_arg(args, uint32_t *)) = SPA_POD_BODY_SIZE(pod); \ 375 *va_arg(args, struct spa_rectangle*) = \ 376 SPA_POD_VALUE(struct spa_pod_rectangle, pod); \ 379 *va_arg(args, struct spa_fraction*) = \ 380 SPA_POD_VALUE(struct spa_pod_fraction, pod); \ 383 *va_arg(args, uint32_t **) = \ 384 (uint32_t *) SPA_POD_CONTENTS(struct spa_pod_bitmap, pod); \ 387 *va_arg(args, uint32_t*) = SPA_POD_ARRAY_VALUE_SIZE(pod); \ 388 *va_arg(args, uint32_t*) = SPA_POD_ARRAY_VALUE_TYPE(pod); \ 389 *va_arg(args, uint32_t*) = SPA_POD_ARRAY_N_VALUES(pod); \ 390 *va_arg(args, void**) = SPA_POD_ARRAY_VALUES(pod); \ 394 struct spa_pod_pointer_body *b = \ 395 (struct spa_pod_pointer_body *) SPA_POD_BODY(pod); \ 396 *(va_arg(args, uint32_t *)) = b->type; \ 397 *(va_arg(args, const void **)) = b->value; \ 401 *va_arg(args, int64_t*) = SPA_POD_VALUE(struct spa_pod_fd, pod); \ 408 const struct spa_pod **d = va_arg(args, const struct spa_pod**); \ 410 *d = (pod == NULL || (SPA_POD_TYPE(pod) == SPA_TYPE_None) \ 419 #define SPA_POD_PARSER_SKIP(_type,args) \ 423 va_arg(args, char*); \ 424 va_arg(args, uint32_t); \ 427 va_arg(args, void*); \ 428 va_arg(args, void*); \ 432 va_arg(args, void*); \ 449 va_arg(args, void*); \ 463 const struct spa_pod *pod = NULL;
467 uint32_t key = va_arg(args, uint32_t);
478 if ((format = va_arg(args,
char *)) == NULL)
484 if ((optional = (*format ==
'?')))
513 va_start(args, parser);
520 #define SPA_POD_OPT_Bool(val) "?" SPA_POD_Bool(val) 521 #define SPA_POD_OPT_Id(val) "?" SPA_POD_Id(val) 522 #define SPA_POD_OPT_Int(val) "?" SPA_POD_Int(val) 523 #define SPA_POD_OPT_Long(val) "?" SPA_POD_Long(val) 524 #define SPA_POD_OPT_Float(val) "?" SPA_POD_Float(val) 525 #define SPA_POD_OPT_Double(val) "?" SPA_POD_Double(val) 526 #define SPA_POD_OPT_String(val) "?" SPA_POD_String(val) 527 #define SPA_POD_OPT_Stringn(val,len) "?" SPA_POD_Stringn(val,len) 528 #define SPA_POD_OPT_Bytes(val,len) "?" SPA_POD_Bytes(val,len) 529 #define SPA_POD_OPT_Rectangle(val) "?" SPA_POD_Rectangle(val) 530 #define SPA_POD_OPT_Fraction(val) "?" SPA_POD_Fraction(val) 531 #define SPA_POD_OPT_Array(csize,ctype,n_vals,vals) "?" SPA_POD_Array(csize,ctype,n_vals,vals) 532 #define SPA_POD_OPT_Pointer(type,val) "?" SPA_POD_Pointer(type,val) 533 #define SPA_POD_OPT_Fd(val) "?" SPA_POD_Fd(val) 534 #define SPA_POD_OPT_Pod(val) "?" SPA_POD_Pod(val) 535 #define SPA_POD_OPT_PodObject(val) "?" SPA_POD_PodObject(val) 536 #define SPA_POD_OPT_PodStruct(val) "?" SPA_POD_PodStruct(val) 537 #define SPA_POD_OPT_PodChoice(val) "?" SPA_POD_PodChoice(val) 539 #define spa_pod_parser_get_object(p,type,id,...) \ 541 struct spa_pod_frame _f; \ 543 if ((_res = spa_pod_parser_push_object(p, &_f, type, id)) == 0) { \ 544 _res = spa_pod_parser_get(p,##__VA_ARGS__, 0); \ 545 spa_pod_parser_pop(p, &_f); \ 550 #define spa_pod_parser_get_struct(p,...) \ 552 struct spa_pod_frame _f; \ 554 if ((_res = spa_pod_parser_push_struct(p, &_f)) == 0) { \ 555 _res = spa_pod_parser_get(p,##__VA_ARGS__, NULL); \ 556 spa_pod_parser_pop(p, &_f); \ 561 #define spa_pod_parse_object(pod,type,id,...) \ 563 struct spa_pod_parser _p; \ 564 spa_pod_parser_pod(&_p, pod); \ 565 spa_pod_parser_get_object(&_p,type,id,##__VA_ARGS__); \ 568 #define spa_pod_parse_struct(pod,...) \ 570 struct spa_pod_parser _p; \ 571 spa_pod_parser_pod(&_p, pod); \ 572 spa_pod_parser_get_struct(&_p,##__VA_ARGS__); \ uint32_t offset
Definition: parser.h:49
static void spa_pod_parser_get_state(struct spa_pod_parser *parser, struct spa_pod_parser_state *state)
Definition: parser.h:77
static int spa_pod_parser_pop(struct spa_pod_parser *parser, struct spa_pod_frame *frame)
Definition: parser.h:134
static int spa_pod_is_string(const struct spa_pod *pod)
Definition: iter.h:234
static int spa_pod_is_fraction(const struct spa_pod *pod)
Definition: iter.h:317
static int spa_pod_parser_get(struct spa_pod_parser *parser,...)
Definition: parser.h:514
static struct spa_pod * spa_pod_parser_current(struct spa_pod_parser *parser)
Definition: parser.h:114
static int spa_pod_parser_push_object(struct spa_pod_parser *parser, struct spa_pod_frame *frame, uint32_t type, uint32_t *id)
Definition: parser.h:272
static struct spa_pod * spa_pod_parser_deref(struct spa_pod_parser *parser, uint32_t offset, uint32_t size)
Definition: parser.h:89
static void spa_pod_parser_init(struct spa_pod_parser *parser, const void *data, uint32_t size)
Definition: parser.h:64
static int spa_pod_parser_push_struct(struct spa_pod_parser *parser, struct spa_pod_frame *frame)
Definition: parser.h:259
struct spa_pod_frame * frame
Definition: parser.h:51
#define SPA_POD_CHOICE_CHILD(choice)
Definition: pod.h:152
#define SPA_POD_OBJECT_ID(obj)
Definition: pod.h:195
static int spa_pod_get_id(const struct spa_pod *pod, uint32_t *value)
Definition: iter.h:174
uint32_t size
Definition: parser.h:56
static int spa_pod_parser_get_float(struct spa_pod_parser *parser, float *value)
Definition: parser.h:178
static int spa_pod_parser_get_long(struct spa_pod_parser *parser, int64_t *value)
Definition: parser.h:169
uint32_t flags
Definition: iter.h:51
static int spa_pod_is_pointer(const struct spa_pod *pod)
Definition: iter.h:274
uint32_t type
Definition: pod.h:65
static int spa_pod_get_rectangle(const struct spa_pod *pod, struct spa_rectangle *value)
Definition: iter.h:309
static void spa_pod_parser_push(struct spa_pod_parser *parser, struct spa_pod_frame *frame, const struct spa_pod *pod, uint32_t offset)
Definition: parser.h:104
static int spa_pod_parser_get_double(struct spa_pod_parser *parser, double *value)
Definition: parser.h:187
static int spa_pod_get_int(const struct spa_pod *pod, int32_t *value)
Definition: iter.h:187
static int spa_pod_get_long(const struct spa_pod *pod, int64_t *value)
Definition: iter.h:200
static int spa_pod_parser_get_id(struct spa_pod_parser *parser, uint32_t *value)
Definition: parser.h:151
static int spa_pod_parser_get_fraction(struct spa_pod_parser *parser, struct spa_fraction *value)
Definition: parser.h:241
struct spa_pod_frame * parent
Definition: iter.h:49
static int spa_pod_get_bool(const struct spa_pod *pod, bool *value)
Definition: iter.h:161
static int spa_pod_parser_get_string(struct spa_pod_parser *parser, const char **value)
Definition: parser.h:196
static int spa_pod_is_float(const struct spa_pod *pod)
Definition: iter.h:208
struct spa_pod_parser_state state
Definition: parser.h:58
static struct spa_pod * spa_pod_parser_next(struct spa_pod_parser *parser)
Definition: parser.h:126
static int spa_pod_is_rectangle(const struct spa_pod *pod)
Definition: iter.h:303
uint32_t offset
Definition: iter.h:50
static int spa_pod_parser_get_int(struct spa_pod_parser *parser, int32_t *value)
Definition: parser.h:160
static struct spa_pod * spa_pod_parser_frame(struct spa_pod_parser *parser, struct spa_pod_frame *frame)
Definition: parser.h:99
#define SPA_POD_PARSER_INIT(buffer, size)
Definition: parser.h:62
static bool spa_pod_parser_can_collect(const struct spa_pod *pod, char type)
Definition: parser.h:289
struct spa_pod pod
Definition: iter.h:48
#define SPA_POD_PARSER_COLLECT(pod, _type, args)
Definition: parser.h:343
static int spa_pod_get_pointer(const struct spa_pod *pod, uint32_t *type, const void **value)
Definition: iter.h:280
#define SPA_ROUND_UP_N(num, align)
Definition: defs.h:296
static int spa_pod_is_int(const struct spa_pod *pod)
Definition: iter.h:182
static int spa_pod_get_string(const struct spa_pod *pod, const char **value)
Definition: iter.h:242
static void spa_pod_parser_advance(struct spa_pod_parser *parser, const struct spa_pod *pod)
Definition: parser.h:121
static int spa_pod_get_fd(const struct spa_pod *pod, int64_t *value)
Definition: iter.h:295
static void spa_pod_parser_reset(struct spa_pod_parser *parser, struct spa_pod_parser_state *state)
Definition: parser.h:83
static int spa_pod_get_fraction(const struct spa_pod *pod, struct spa_fraction *value)
Definition: iter.h:323
static int spa_pod_parser_get_pointer(struct spa_pod_parser *parser, uint32_t *type, const void **value)
Definition: parser.h:214
static int spa_pod_parser_getv(struct spa_pod_parser *parser, va_list args)
Definition: parser.h:460
static int spa_pod_is_bool(const struct spa_pod *pod)
Definition: iter.h:156
no choice, first value is current
Definition: pod.h:167
static void spa_pod_parser_pod(struct spa_pod_parser *parser, const struct spa_pod *pod)
Definition: parser.h:70
uint32_t flags
Definition: parser.h:50
const void * data
Definition: parser.h:55
static int spa_pod_parser_get_pod(struct spa_pod_parser *parser, struct spa_pod **value)
Definition: parser.h:250
static int spa_pod_parser_get_bytes(struct spa_pod_parser *parser, const void **value, uint32_t *len)
Definition: parser.h:205
uint32_t _padding
Definition: parser.h:57
static int spa_pod_is_struct(const struct spa_pod *pod)
Definition: iter.h:381
static int spa_pod_is_none(const struct spa_pod *pod)
Definition: iter.h:151
#define SPA_POD_OBJECT_TYPE(obj)
Definition: pod.h:193
#define SPA_POD_PARSER_SKIP(_type, args)
Definition: parser.h:425
#define SPA_PTROFF(ptr_, offset_, type_)
Return the address (buffer + offset) as pointer of type.
Definition: defs.h:183
static int spa_pod_is_double(const struct spa_pod *pod)
Definition: iter.h:221
struct spa_pod pod
Definition: pod.h:204
static int spa_pod_is_bytes(const struct spa_pod *pod)
Definition: iter.h:260
static int spa_pod_is_choice(const struct spa_pod *pod)
Definition: iter.h:361
static int spa_pod_is_array(const struct spa_pod *pod)
Definition: iter.h:336
uint32_t size
Definition: pod.h:64
static int spa_pod_parser_get_rectangle(struct spa_pod_parser *parser, struct spa_rectangle *value)
Definition: parser.h:232
static int spa_pod_is_object(const struct spa_pod *pod)
Definition: iter.h:386
static int spa_pod_get_double(const struct spa_pod *pod, double *value)
Definition: iter.h:226
struct spa_pod value
Definition: pod.h:250
static const struct spa_pod_prop * spa_pod_object_find_prop(const struct spa_pod_object *pod, const struct spa_pod_prop *start, uint32_t key)
Definition: iter.h:408
#define SPA_POD_SIZE(pod)
Definition: pod.h:50
static int spa_pod_parser_get_bool(struct spa_pod_parser *parser, bool *value)
Definition: parser.h:142
static int spa_pod_parser_get_fd(struct spa_pod_parser *parser, int64_t *value)
Definition: parser.h:223
static int spa_pod_get_bytes(const struct spa_pod *pod, const void **value, uint32_t *len)
Definition: iter.h:265
static int spa_pod_get_float(const struct spa_pod *pod, float *value)
Definition: iter.h:213
#define SPA_POD_CHOICE_TYPE(choice)
Definition: pod.h:154
static int spa_pod_is_id(const struct spa_pod *pod)
Definition: iter.h:169
static int spa_pod_is_long(const struct spa_pod *pod)
Definition: iter.h:195
static int spa_pod_is_fd(const struct spa_pod *pod)
Definition: iter.h:289
static int spa_pod_is_bitmap(const struct spa_pod *pod)
Definition: iter.h:330