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Re: RE: Namespace use cases
- From: Kurt Cagle <kurt.cagle@gmail.com>
- To: Micah Dubinko <Micah.Dubinko@marklogic.com>
- Date: Wed, 22 Jul 2009 22:22:53 -0700
declare namespace stats = "xquery:org.xmltoday.xqlib.statistics";
declare function stats:average($numseq as xs:double*) as xs:double {...};
It makes no real difference to the processor, of course, but from an organizational standpoint it opens up a number of possibilities. For instance, a specific module of financial statistics functions might exist within a separate but related namespace
declare namespace finstats = "xquery:org.xmltoday.xqlib.statistics.finance";
The other advantage to this approach is that it makes it easier for Java-like preprocessors to import multiple namespaces that have preferred prefixes within the context of a given system.
<?import "xquery:org.xmltoday.xqlib.statistics.*"?>
It may also allow for creating umbrella bindings in other contexts:
<?bind "xquery:org.xmltoday.xqlib.statistics.*" as="st"?>
so that both statistics and financial statistics functions would be referenceable via the st: namespace, even though they are technically in different namespaces.
May be apropos of nothing, just random thoughts firing.
Kurt Cagle
Managing Editor
http://xmlToday.org
On Sun, Jul 19, 2009 at 6:54 PM, Micah Dubinko <Micah.Dubinko@marklogic.com> wrote:
Another question on this thread:
In terms of namespace approaches, the Java model is frequently pointed to as a good way to do it. At least I haven't heard any Java people complaining about namespaces in any way remotely close to how the XML people talk about it.
Has anyone written down a proposal for "Java-style" namespaces in a markup language, specifically HTML?
There is this starting point:
http://www.xml.com/pub/a/2005/04/13/namespace-uris.html
(As you can see in the comments of that article, this issue has been a thorn in my side for many years)
A slightly different approach, worth note:
http://web.archive.org/web/20040609023416/www.tbradford.org/clean-namespaces.html
If anyone knows of a more recent revision of this, let me know.
A survey of the existing art will be a good start toward proposing something ourselves on this list. We can keep accumulating use cases as we go.
Thanks, -m
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