[Haskell-cafe] [SoC] XML Schema Implementation

Peter Verswyvelen bugfact at gmail.com
Tue Mar 31 11:51:19 EDT 2009

(+ 1)

A year or so ago I wanted to create a Collada importer. Collada comes with
an XML Schema, so I wanted to automatically make a parser for that. But no
tool existed :(
Note that an existing tool from Microsoft failed on the Collada
with circular references, see link), so Collada might be a good test case

On Tue, Mar 31, 2009 at 3:23 PM, Paul Johnson <paul at cogito.org.uk> wrote:

> On Mar 31, 2009, at 12:16 AM, Vlad Dogaru wrote:
>>> More specifically, I would be interested in the degree the Haskell
>>> community uses XML Schema, and if you were tempted to use it if we had
>>> an implementation. To further expand the question, how useful do you
>>> consider each of these components:
>>> * a validator
>>> * a pretty-printer
>>> * a translator from XML Schema to Haskell, similar to DtdToHaskell[4]
>> Haskell badly needs better middleware.  At present that means WS-* stuff,
> which is all defined in XML Schema.  So the Xmls2Haskell translator would be
> a really valuable foundation for that.
> Also it would be particularly valuable if the XML Schema parser generated a
> parse tree which was then interpreted by the Haskell generator, as that
> would make it much easier to build other tools (e.g. type validators, schema
> version translators) on top of the XML Schema parser.
> Paul.
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