Re: Processing Modes...

[Tyler Baker <tyler@xxxxxxxxxxx>]

James Clark wrote:

> Tyler Baker wrote:
> >
> > One thing I am not too completely clear about is the order in which
> > processing modes eliminate template rules from being processed.
> >
> > In other words, should an XSL Processor:
> >
> > (1) First try and find the most specific matching template rule and if
> > there is one, then conditionally process it if the mode of the template
> > is the same as the current processing mode.
> >
> > (2) Try and find the most specific matching template rule and while
> > searching for a match eliminate all template rules from consideration
> > that do not match the current mode.
> >
> > I am under the assumption that #2 is the way to go, but it is not
> > totally clear to me what the spec says I should do.
>
> #2 is the way to go, but there's no such thing as specificity any more.
>
> Here's what you're supposed to do:
>
> Find the set of rules such that
>
> 1. The pattern on the template matches the node being processed, and
>
> 2. The mode on the xsl:template is the mode specified on the
> xsl:apply-templates (or neither has a mode)
>
> Then eliminate rules by importance (import order).
>
> Then eliminate rules by priority.
>
> Finally if there's more than one rule left, either give an error or
> choose the rule that's last in the stylesheet; f there are no rules
> left, use the built-in rule.
>
> Concrete suggestions for wording changes to the spec that would make
> this clearer are welcome.

As usual thanx for the feedback.  I think that a simple example (the spec has
a note that examples are needed) would do just fine.  I think that general
purpose algorithms like the one you suggested help people understand the spec
the most.

Again thanx,

Tyler


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