[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

Re: namespaces v. processing instructions forprocessorinvocati

• From: Ronald Bourret <rpbourret@r...>
• To: Paul Schofield <atobenews@h...>
• Date: Thu, 27 Sep 2001 15:50:22 -0700

My vote would be to use a processing instruction. Using a namespace URI
will just confuse the "what does a namespace URI point to?" question
even more.

-- Ron

Paul Schofield wrote:
> 
> I am implementing a (hopefully) flexible XML transformer that uses external
> context information to define how the transform will work. At the heart of
> the transformer is an XSLT processor, however the style sheets are hidden
> and are defined by a sort of "meta" style sheet that is context aware.
> 
> Although the engine works I am in doubt about which is the best way to
> define the meta file location from an XML file.
> 
> My first preference was to use namespaces -
> 
> <myxml xmlns="http://www.client.com/data"
>              xmlns:meta="http://www.ourcompany.com/context-transform"
>              meta:location="http://www.client.com/context-file.meta" >
> 
>   <stuff>bla bla</stuff>
> 
> </myxml>
> 
> As my processor "knows" what to do with elements and attributes in the
> http://www.ourcompany.com/context-transform namespace it can processes the
> XML accordingly. I can also create other processors in the same way
> creating a processing chain.
> 
> However XSLT uses a processing instruction to define the location, using
> this model my data will be -
> 
> <?context-transform href="http://www.client.com/contextfile.meta" ?>
> <myxml xmlns="http://www.client.com/data" >
>   <stuff>bla bla</stuff>
> </myxml
> 
> Which method, if any, is considered best practice, are there better methods?
> 
> If the namespace method is best why is XSLT implemented otherwise?

• References:
  • namespaces v. processing instructions for processorinvocation
    • From: Paul Schofield <atobenews@h...>

• Prev by Date: Re: Instantiating XML code from XML schema - Best practice(andwhat pratice)?
• Next by Date: Re: %x;? - Opportunity for pedantry and exegesis
• Previous by thread: namespaces v. processing instructions for processorinvocation
• Next by thread: unique attribute id - to use method getElementById() onDocument
• Index(es):
  • Date
  • Thread