Re: Got a program that generates a list of assertions aboutan

From: Peter Hunsberger <peter.hunsberger@gmail.com>
To: "Costello, Roger L." <costello@mitre.org>
Date: Fri, 13 Nov 2015 16:29:17 -0600

Play the video

Not quite, but many years ago I mentioned on this list that we generated schema's on demand for a system that I had designed. We had started building that system before XML schema came into existence (well at least before it was finalized) and all the screens on it were generated from a metadata store. All fields were strongly typed and Schematron was used for complex validation (cross dependencies etc.) If an XML schema was needed for data exchange with some portion of that system or for documentation it was possible to export the metadata as XML and then use a XSLT to produce the XSD. The Schematron was also dynamically produced from the metadata and xPaths that were stored with the metadata. However the Schematron wasn't exposed anywhere, just used at run time...

Peter Hunsberger

On Fri, Nov 13, 2015 at 3:48 PM, Costello, Roger L. <costello@mitre.org> wrote:

Hi Folks,

Have you written a program to generate a list of assertions about an XSD?

Example: an XSD with targetNamespace = http://www.books.org has this element declaration (parent is Book):

<element name="Author" type="string" maxOccurs="unbounded" />

I envision the program generating a list of assertions like this:

(Author kind element)
(Author targetNamespace http://www.books.org)
(Author type string)
(Author minOccurs 1)
(Author maxOccurs unbounded)
(Author default none)
(Author fixed none)
(Author parent Book)

Anybody written a program to do this kind of thing?

/Roger

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References:
- Got a program that generates a list of assertions about an XSD?
  - From: "Costello, Roger L." <costello@mitre.org>

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