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RE: [xsl] XML Schema 1.0 files

2013-04-01 07:37:34
When I Have done collecting results and have had time to analyze it I will be 
publishing the results,
but I dont want to rush it, I want to make sure the data is clean and analysis 
is done well.
IMHO premature publication is worse than none.


----------------------------------------
David A. Lee
dlee(_at_)calldei(_dot_)com
http://www.xmlsh.org

-----Original Message-----
From: davep [mailto:davep(_at_)dpawson(_dot_)co(_dot_)uk] 
Sent: Thursday, March 28, 2013 3:25 AM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] XML Schema 1.0 files

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
normalize-space(ancestor::xs:schema/@elementFormDefault)="qualified",
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.

Thanks.



regards

-- 
Dave Pawson
XSLT XSL-FO FAQ.
http://www.dpawson.co.uk

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