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Re: [xsl] XML Schema 1.0 files

Subject: Re: [xsl] XML Schema 1.0 files
From: davep <davep@xxxxxxxxxxxxx>
Date: Thu, 28 Mar 2013 07:25:22 +0000

Thanks Mike,
   Quite comprehensive.

On 27/03/13 22:54, Michael Kay wrote:
In general, extracting information from schema documents using XSLT is
difficult, unless you are prepared to make assumptions and
approximations - for example, you might be prepared to ignore the impact
of xs:redefine, or the risk of finding xs:element declarations within an
xs:documentation element.

In this case I think you can get a reasonable answer fairly easily. If
you find an <xs:element name="N"> then the namespace in question is one
of the following:

(a) if parent::xs:schema then ../@targetNamespace if present, else ""

(b) otherwise, if normalize-space(@form)="qualified" or empty(@form) and
then ancestor::xs:schema/@targetNamespace if present, else ""

(c) otherwise, ""

I think this caters for most possibilities; an exception is chameleon
include where the declarations in a schema document acquire the target
namespace of the including schema document.

I know the chameleon 'method' is used, but am prepared to accept problems from that. Since I'm file based I have no option (other than
to assume the 'parent' including file targetNamespace.

Also that redefine isn't used.



Dave Pawson

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