Schema reporting tools - XQuery use case?

[Vyacheslav Sedov]

i am very seriously thinking about XSLT-based convertor from XSD to
Schematron rules - i have opinion that Schematron power underestimated
in XML world

On Wed, Sep 9, 2009 at 11:55 AM, ricardo
queiros<http://x-query.com/mailman/listinfo/talk> wrote:
> Hi,
> I develop a tool for browsing XML Schema files in a easy way.
> The tool calls http://x-query.com/mailman/listinfo/talk and can be downloaded as open source
> at http://www.dcc.fc.up.pt/schemaDoc/.
> It is based on a XSLT file that transforms the schema file in XHTML code to
> be interpreted in a general browser.
> So the only requirement is a web browser.
> At this moment the tool don't support a few elements of the W3C XML Schema
> specification (e.g. field, key, keyref, redefine, selector, unique elements
> and abstract, substitutionGroup attributtes). It supports Schematron.rules
> embeded in the schema file.
> Best regards.
>
> 2009/9/9 Hans-Juergen Rennau <http://x-query.com/mailman/listinfo/talk>
>>
>> Hello People,
>>
>> XQuery is _the_ language for agile and efficient evaluation of XML
>> resources (who would contradict me?). But there is another important
>> technology, of course, XML Schema: though its use is often reduced to
>> document validation or data binding, schemas offer a great wealth of static
>> information about (valid) documents. I am sometimes amazed how merrily this
>> information is ignored, especially in projects that have to deal with very
>> complex schemas.
>>
>> Unfortunately, schemas are difficult to read and, worse, difficult to use
>> as input for further processing, as the schema language allows to express
>> the (essentially) same information in so many ways, what with model groups,
>> attribute sets, type derivations, etc. Example: some configuration contains
>> a data path, and one has the appropriate schema files available - how can
>> one implement an automatic check of the path string against that schema?
>>
>> In consequence, I believe creating "schema reporting" tools may be an
>> important use case for XQuery.Here, schema reporting is understood as
>> transforming schema files into a different serialized representation of all
>> or some information the schema contains. (I am _not_ thinking of graphical
>> representations as offered by XML IDEs unless they are accompanied by
>> serialized versions appropriate to serve as input for further processing.)
>> Some examples were: a tree representation of document structure, a list of
>> valid data paths, a mapping of element and attribute names to the governing
>> type, a mapping of type names to data paths.
>>
>> Well - would anyone like to comment on the statement about such schema
>> reporting being an important use case for XQuery?
>>
>> In this context it is of course important to know what is already
>> available (commercial or open source). Would anyone like to speak about
>> available schema reporting tools (in the sense defined above)?
>>
>> Thank you very much,
>> with kind regards -
>>
>> Hans-Juergen Rennau
>>
>>
>>
>>
>>
>> _______________________________________________
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>> http://x-query.com/mailman/listinfo/talk
>
>
>
> --
> Ricardo Queirós
>
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