[antlr-interest] Re: Parse only <n> bytes from InputStream
Ric Klaren
klaren at cs.utwente.nl
Thu Jul 8 02:48:42 PDT 2004
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
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---- Ric Klaren ----- j.klaren at utwente.nl ----- +31 53 4893755 ----
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