RE: [xsl] Problem applying XSL to XML that uses a schema

[Mukul Gandhi <mukul_gandhi@xxxxxxxxx>]

Thank you Mike for a very informative answer..

Regards,
Mukul

--- Michael Kay <mike@xxxxxxxxxxxx> wrote:

> >   I thought, Schema Aware XSLT processor was
> > neccessary in this case. But from your reply, it
> seems
> > it is not required in this case.. Can you please
> tell,
> > under what cases Schema Aware processor is
> required..?
> 
> A schema-aware processor is never actually required,
> but if you have a
> schema for your source or result documents, then
> using a schema-aware XSLT
> stylesheet gives you benefits. Broadly speaking
> these fall into three
> categories:
> 
> (a) type-sensitive operations: operations such as
> comparison are
> automatically sensitive to the data type, which
> saves you having to manually
> convert data to the right type before doing the
> operation. Similarly
> template matching can be based on schema types,
> which with a complex schema
> makes it easier to write generic rules that cover a
> wide variety of
> different elements.
> 
> (b) robustness: if the stylesheet knows the schema
> for the source and/or
> result documents, then you get much better error
> messages when you make
> programming mistakes, so you get a faster debugging
> cycle and the
> reliability of your code is less dependent on
> exhaustive test coverage
> 
> (c) performance: schema information can potentially
> be used to optimize the
> execution of the stylesheet.
> 
> I'm currently seeing (b) as the biggest benefit - it
> comes as quite a
> surprise after years of XSLT 1.0 coding to get
> compile-time error messages
> when you spell an attribute name incorrectly.
> 
> Thanks for the invitation to do a sales pitch!
> 
> Michael Kay
> http://www.saxonica.com/
> 
> 



		
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