static int test_map(void) { avro_schema_t schema = avro_schema_map(avro_schema_long()); avro_datum_t datum = avro_map(schema); int64_t i = 0; char *nums[] = { "zero", "one", "two", "three", "four", "five", "six", NULL }; while (nums[i]) { avro_datum_t i_datum = avro_int64(i); avro_map_set(datum, nums[i], i_datum); avro_datum_decref(i_datum); i++; } if (avro_array_size(datum) != 7) { fprintf(stderr, "Unexpected map size\n"); exit(EXIT_FAILURE); } avro_datum_t value; const char *key; avro_map_get_key(datum, 2, &key); avro_map_get(datum, key, &value); int64_t val; avro_int64_get(value, &val); if (val != 2) { fprintf(stderr, "Unexpected map value 2\n"); exit(EXIT_FAILURE); } int index; if (avro_map_get_index(datum, "two", &index)) { fprintf(stderr, "Can't get index for key \"two\": %s\n", avro_strerror()); exit(EXIT_FAILURE); } if (index != 2) { fprintf(stderr, "Unexpected index for key \"two\"\n"); exit(EXIT_FAILURE); } if (!avro_map_get_index(datum, "foobar", &index)) { fprintf(stderr, "Unexpected index for key \"foobar\"\n"); exit(EXIT_FAILURE); } write_read_check(schema, datum, NULL, NULL, "map"); test_json(datum, "{\"zero\": 0, \"one\": 1, \"two\": 2, \"three\": 3, " "\"four\": 4, \"five\": 5, \"six\": 6}"); avro_datum_decref(datum); avro_schema_decref(schema); return 0; }
static int avro_datum_value_get_by_index(const avro_value_iface_t *iface, const void *vself, size_t index, avro_value_t *child, const char **name) { AVRO_UNUSED(iface); const avro_datum_t self = (const avro_datum_t) vself; check_param(EINVAL, self, "datum instance"); int rval; avro_datum_t child_datum; if (is_avro_array(self)) { check(rval, avro_array_get(self, index, &child_datum)); return avro_datum_as_child_value(child, child_datum); } if (is_avro_map(self)) { const char *real_key; check(rval, avro_map_get_key(self, index, &real_key)); if (name != NULL) { *name = real_key; } check(rval, avro_map_get(self, real_key, &child_datum)); return avro_datum_as_child_value(child, child_datum); } if (is_avro_record(self)) { avro_schema_t schema = avro_datum_get_schema(self); const char *field_name = avro_schema_record_field_name(schema, index); if (field_name == NULL) { return EINVAL; } if (name != NULL) { *name = field_name; } check(rval, avro_record_get(self, field_name, &child_datum)); return avro_datum_as_child_value(child, child_datum); } avro_set_error("Can only get by index from array, map, or record"); return EINVAL; }