[antlr-interest] Re: Parse only <n> bytes from InputStream

[Ric Klaren]

On Wed, Jul 07, 2004 at 04:30:15PM -0000, andreasharth wrote:
> thanks for your reply.  I tried to extend CharBuffer.fill() with
> 	    
> // n bytes are read (for http content-length)
> _read += amount;
> 
> // read enough? close input
> if (_read >= _contentLength) {
>   input.close();
> }
> 
> but that didn't do the trick, the connection is closed way to early. 
> I presume that fill() is called more than once for every chunk of
> input?  

Yup it is. Try inserting a fake EOF in the queue in fill. You probably also
need something to remove a fake EOF from this queue again to be able to
restart the parser.

> A related question: when does the lexer stop reading in new characters
> in the general case?

Upon end of file.

Cheers,

Ric
-- 
-----+++++*****************************************************+++++++++-------
    ---- Ric Klaren ----- j.klaren at utwente.nl ----- +31 53 4893755  ----
-----+++++*****************************************************+++++++++-------
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