bson_json_reader_read (bson_json_reader_t *reader,
- A bson_json_reader_t \&.
- A bson_t \&.
- A bson_error_t \&.
Reads the next BSON document from the underlying JSON source.
Errors are propagated via the error parameter.
1 if successful and data was read. 0 if successful and no data was read. -1 if there was an error.