[Haskell-cafe] Re: Network parsing and parsec
k.schupke at imperial.ac.uk
Tue Sep 20 09:29:12 EDT 2005
John Goerzen wrote:
>On 2005-09-15, Adam Turoff <adam.turoff at gmail.com> wrote:
>>On 9/15/05, John Goerzen <jgoerzen at complete.org> wrote:
>>>So, to make that approach work, I would really need to do a lot of work
>>>outside of Parsec -- the stuff that I really want to use Parsec for, I
>>Well, you do have a state monad to work with. Why not just stuff
>>the number 305 into your state, keep reading until you've read 305 bytes
>>(decrementing the count as you read), and return the 305-byte string
>>as your result for this parser? When you resume, you should
>>be ready to parse the next very token after the 305-byte string.
>It's unclear to me exactly how to mix the IO monad with Parsec. It
>doesn't really seem to be doable.
>Not to mention that if hGetContents is used, the Handle has to be put
>into non-buffering mode, which means one syscall per character read.
Does it? I didn't think so ...
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