/* write amf data to stream */
size_t amf0_data_write(const amf0_data *data, write_proc_t write_proc, void * user_data) {
size_t s = 0;
if (data != NULL) {
s += write_proc(&(data->type), sizeof(uint8_t), user_data);
switch (data->type) {
case AMF0_TYPE_NUMBER:
s += amf0_number_write(data, write_proc, user_data);
break;
case AMF0_TYPE_BOOLEAN:
s += amf0_boolean_write(data, write_proc, user_data);
break;
case AMF0_TYPE_STRING:
s += amf0_string_write(data, write_proc, user_data);
break;
case AMF0_TYPE_OBJECT:
s += amf0_object_write(data, write_proc, user_data);
break;
case AMF0_TYPE_MOVIECLIP: /* not supported */
case AMF0_TYPE_NULL:
case AMF0_TYPE_UNDEFINED:
break;
case AMF0_TYPE_REFERENCE: /* TODO */
break;
case AMF0_TYPE_ECMA_ARRAY:
s += amf0_associative_array_write(data, write_proc, user_data);
break;
case AMF0_TYPE_OBJECT_END:
break; /* end of composite object */
case AMF0_TYPE_STRICT_ARRAY:
s += amf0_array_write(data, write_proc, user_data);
break;
case AMF0_TYPE_DATE:
s += amf0_date_write(data, write_proc, user_data);
break;
case AMF0_TYPE_LONG_STRING: /* TODO */
case AMF0_TYPE_UNSUPPORTED: /* TODO */
case AMF0_TYPE_RECORDSET: /* not supported */
case AMF0_TYPE_XML_DOCUMENT: /* TODO */
case AMF0_TYPE_TYPED_OBJECT: /* TODO */
default:
break;
}
}
return s;
}
/* write an object */
static size_t amf0_object_write(amf0_data * data, write_proc_t write_proc, void * user_data) {
amf0_node * node;
size_t w = 0;
uint16_t filler = swap_uint16(0);
uint8_t terminator = AMF0_TYPE_OBJECT_END;
node = amf0_object_first(data);
while (node != NULL) {
w += amf0_string_write(amf0_object_get_name(node), write_proc, user_data);
w += amf0_data_write(amf0_object_get_data(node), write_proc, user_data);
node = amf0_object_next(node);
}
/* empty string is the last element */
w += write_proc(&filler, sizeof(uint16_t), user_data);
/* an object ends with 0x09 */
w += write_proc(&terminator, sizeof(uint8_t), user_data);
return w;
}
