parse_stream_async
Description:
Parse items from the data in a InputStream.
This function completes asyncronously and doesn't block.
The parsed and authenticate signals may fire during the parsing.
Parameters:
| this |
The parser |
| input |
The input stream |
| cancellable |
An optional cancellation object |
| callback |
Called when the operation result is ready. |
| user_data |
Data to pass to callback |