size_t cbor_serialize_array(const cbor_item_t *item, unsigned char *buffer, size_t buffer_size)
{
assert(cbor_isa_array(item));
size_t size = cbor_array_size(item),
written = 0;
cbor_item_t **handle = cbor_array_handle(item);
if (cbor_array_is_definite(item)) {
written = cbor_encode_array_start(size, buffer, buffer_size);
} else {
assert(cbor_array_is_indefinite(item));
written = cbor_encode_indef_array_start(buffer, buffer_size);
}
if (written == 0)
return 0;
size_t item_written;
for (size_t i = 0; i < size; i++) {
item_written = cbor_serialize(*(handle++), buffer + written, buffer_size - written);
if (item_written == 0)
return 0;
else
written += item_written;
}
if (cbor_array_is_definite(item)) {
return written;
} else {
assert(cbor_array_is_indefinite(item));
item_written = cbor_encode_break(buffer + written, buffer_size - written);
if (item_written == 0)
return 0;
else
return written + 1;
}
}
bool cbor_array_push(cbor_item_t *array, cbor_item_t *pushee)
{
assert(cbor_isa_array(array));
struct _cbor_array_metadata *metadata = (struct _cbor_array_metadata *) &array->metadata;
cbor_item_t **data = (cbor_item_t **) array->data;
if (cbor_array_is_definite(array)) {
/* Do not reallocate definite arrays */
if (metadata->end_ptr >= metadata->allocated)
return false;
data[metadata->end_ptr++] = pushee;
} else {
/* Exponential realloc */
if (metadata->end_ptr >= metadata->allocated) {
size_t new_allocation = (size_t)(CBOR_BUFFER_GROWTH * (metadata->allocated));
new_allocation = new_allocation ? new_allocation : 1;
unsigned char * new_data = _CBOR_REALLOC(array->data,
new_allocation * sizeof(cbor_item_t *));
if (new_data == NULL)
return false;
array->data = new_data;
metadata->allocated = new_allocation;
}
((cbor_item_t **)array->data)[metadata->end_ptr++] = pushee;
}
cbor_incref(pushee);
return true;
}
bool cbor_array_is_indefinite(const cbor_item_t *item)
{
assert(cbor_isa_array(item));
return item->metadata.array_metadata.type == _CBOR_METADATA_INDEFINITE;
}
size_t cbor_array_allocated(const cbor_item_t * item)
{
assert(cbor_isa_array(item));
return item->metadata.array_metadata.allocated;
}
size_t cbor_array_size(const cbor_item_t *item)
{
assert(cbor_isa_array(item));
return item->metadata.array_metadata.end_ptr;
}
