Re: [xsl] Validating source documents, with schema aware XSLT

["Mukul Gandhi" <gandhi.mukul@xxxxxxxxx>]

Thanks Mike for the explanations..

On 8/7/06, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> > The source XML is books.xml, and Schema is books.xsd found in
> > the folder samples\data of Saxon distribution.
> >
> > The example works fine with the following command line:
> >
> > java com.saxonica.Transform -val books.xml books.xsl
> >
> > The source document gets validated, and I get the proper output.
> >
> > However, I am curious what is happening in the following cases:
> >
> > 1) I give the command line as, java com.saxonica.Transform
> > books.xml books.xsl (i.e. no -val option)
> >
> > The following message comes from the stylesheet:
> >
> > Source document is not a validated book list
>
> The "instance of" test fails because it is testing the type annotation of
> the element node, and the type annotation is "xs:untyped" if the document
> has not been validated.
> >
> > 2) I give the command line as, java com.saxonica.Transform
> > -val books.xml books.xsl
> >
> > but I remove the line <xsl:import-schema schema-location="books.xsd"
> > /> from the stylesheet,
> >
> > I get message,
> >
> > XPST0003: XPath syntax error at char 42 on line 4 in {...e of
> > schema-element(B
> > OOKLIS...}:
> > No schema has been imported for namespace ''
>
> You can't use the name of a schema-defined type in your stylesheet unless
> you import the schema. The "instance of" test won't even compile in this
> situation; it never gets as far as reading the source document.
> >
> > According to my testing, it seems that to validate source
> > document, -val option is a must, and also xsl:import-schema
> > is a must to include in the stylesheet. i.e. both these
> > conditions must be fulfilled for the source document to get
> > validated by the schema, and is usable by the stylesheet.
>
> -val is necessary to create the type annotations; import-schema is necessary
> to refer to the type in your stylesheet.
> Michael Kay
> http://www.saxonica.com/

--
Regards,
Mukul Gandhi

http://gandhimukul.tripod.com