mirror of
https://github.com/msgpack/msgpack-c.git
synced 2025-10-26 02:18:05 +01:00
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
#include <msgpack.h>
|
|
#include <stdio.h>
|
|
#include <assert.h>
|
|
|
|
#define UNPACKED_BUFFER_SIZE 2048
|
|
|
|
void prepare(msgpack_sbuffer* sbuf) {
|
|
msgpack_packer pk;
|
|
|
|
msgpack_packer_init(&pk, sbuf, msgpack_sbuffer_write);
|
|
/* 1st object */
|
|
msgpack_pack_array(&pk, 3);
|
|
msgpack_pack_int(&pk, 1);
|
|
msgpack_pack_true(&pk);
|
|
msgpack_pack_str(&pk, 7);
|
|
msgpack_pack_str_body(&pk, "example", 7);
|
|
/* 2nd object */
|
|
msgpack_pack_str(&pk, 6);
|
|
msgpack_pack_str_body(&pk, "second", 6);
|
|
/* 3rd object */
|
|
msgpack_pack_array(&pk, 2);
|
|
msgpack_pack_int(&pk, 42);
|
|
msgpack_pack_false(&pk);
|
|
}
|
|
|
|
void unpack(char const* buf, size_t len) {
|
|
/* buf is allocated by client. */
|
|
msgpack_unpacked result;
|
|
size_t off = 0;
|
|
msgpack_unpack_return ret;
|
|
int i = 0;
|
|
char unpacked_buffer[UNPACKED_BUFFER_SIZE];
|
|
msgpack_unpacked_init(&result);
|
|
ret = msgpack_unpack_next(&result, buf, len, &off);
|
|
while (ret == MSGPACK_UNPACK_SUCCESS) {
|
|
msgpack_object obj = result.data;
|
|
|
|
/* Use obj. */
|
|
printf("Object no %d:\n", ++i);
|
|
msgpack_object_print(stdout, obj);
|
|
printf("\n");
|
|
msgpack_object_print_buffer(unpacked_buffer, UNPACKED_BUFFER_SIZE, obj);
|
|
printf("%s\n", unpacked_buffer);
|
|
/* If you want to allocate something on the zone, you can use zone. */
|
|
/* msgpack_zone* zone = result.zone; */
|
|
/* The lifetime of the obj and the zone, */
|
|
|
|
ret = msgpack_unpack_next(&result, buf, len, &off);
|
|
}
|
|
msgpack_unpacked_destroy(&result);
|
|
|
|
if (ret == MSGPACK_UNPACK_CONTINUE) {
|
|
printf("All msgpack_object in the buffer is consumed.\n");
|
|
}
|
|
else if (ret == MSGPACK_UNPACK_PARSE_ERROR) {
|
|
printf("The data in the buf is invalid format.\n");
|
|
}
|
|
}
|
|
|
|
int main(void) {
|
|
msgpack_sbuffer sbuf;
|
|
msgpack_sbuffer_init(&sbuf);
|
|
|
|
prepare(&sbuf);
|
|
unpack(sbuf.data, sbuf.size);
|
|
|
|
msgpack_sbuffer_destroy(&sbuf);
|
|
return 0;
|
|
}
|
|
|
|
/* Output */
|
|
|
|
/*
|
|
Object no 1:
|
|
[1, true, "example"]
|
|
Object no 2:
|
|
"second"
|
|
Object no 3:
|
|
[42, false]
|
|
All msgpack_object in the buffer is consumed.
|
|
*/
|