[Haskell-cafe] configurable mapping between data declarations and given XML schema?

Michael Burge michaelburge at pobox.com
Mon May 30 10:54:46 UTC 2016

You can try the XsdToHaskell tool in HaXml. It might not work perfectly by
itself, but with a little cleanup it'll probably save you some time.

I've also used TemplateHaskell to generate XML serializers for data
declarations. If you write your own code generator, you can be as generic
and customized as you need.

On Mon, May 30, 2016 at 3:04 AM, Johannes Waldmann <
johannes.waldmann at htwk-leipzig.de> wrote:

> Dear Cafe,
> I have a legacy XML schema, and some Haskell data declarations.
> I want to map bidirectionally between XML documents and data.
> I absolutely cannot change the schema. I could change the data
> declarations, but it would not help much, since I don't think
> there is any form  of declaring data that would allow me
> to derive the transformations generically.
> So, I have a mess of ad-hoc transformations.
> What could be done about this?
> I think I need "generic with customization".
> More detail: https://github.com/jwaldmann/haskell-tpdb/issues/16
> Comments appreciated.
> - J.W.
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