[web-devel] WAI routing?

[Greg Weber]

you might be interested in looking at the routing code in scotty,
which has some extra features.

https://github.com/xich/scotty

On Sat, Mar 17, 2012 at 6:02 AM, yi huang <yi.codeplayer at gmail.com> wrote:
> On Sat, Mar 17, 2012 at 11:06 AM, Stephen Paul Weber
> <singpolyma at singpolyma.net> wrote:
>>
>> I looked around, but could not find a lot of routing packages for WAI.
>>  There is wai-routes, but QuasiQuote makes me nervous.
>>
>> So, I hacked together a very simple router (attached).  It works, though
>> it is not efficient for large routing tables (it just does a linear scan
>> over all possible routes in the worst case).
>>
>> I'm curious: (a) what are other people using? (b) are there glaringly
>> stupid things I've done in my code?
>>
>> Thanks :)
>
>
> I use plain case expression to do routing for my simple wai applications,
> ghc's desugar can make it more efficent than linear scan, the code is like
> this:
>
> case (requestMethod req, pathInfo req) of
>     ("GET", []) -> index
>     ("GET", ["object", pk]) -> getObject pk
>     ("POST", ["object", pk]) -> jsonBody >>= updateObject pk
>     _ -> bad status404 "no route match"
>
>>
>>
>> --
>> Stephen Paul Weber, @singpolyma
>> See <http://singpolyma.net> for how I prefer to be contacted
>> edition right joseph
>>
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>>
>
>
>
> --
> http://www.yi-programmer.com/blog/
>
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