Re: [xsl] Some basic things

[Joerg Heinicke <joerg.heinicke@xxxxxx>]

ashu t wrote:
> Here are some things which i am little confused about.
> (1)
> <xsl:apply-templates/> and
> <xsl:apply-templates select="*"/>
> are they not same?

No.

> I have read about this on this linkshttp://www.w3.org/TR/xslt#strip
> http://www.w3.org/TR/xslt#section-Applying-Template-Rules
> but I am bit confused as select ="*" will not process text node ?? or it 
> will process?

No, it won't.

> (2)
> And one other thing is about overriding template rule :
> If i write <xsl:template match="some node"/>
> then what does it do
> (1)It will not process this node and move to process nodes which are 
> children of it. or

Wrong.

> (2)It will leave all the nodes unprocessed between
> <some node> and </some node> and move to next node to process

Correct.

> (3)
> And if we have more than one predicate in some template match like
> <xsl:template match 
> ="text()[preceding-sibling::node()[1][self::input][not(normalize-space())]]
> then how we interpre it (from left to right or right to left)

From left to right. Try to see a predicate as filter:

only these text nodes [which have a preceding-sibling node[which is the 
directly preceding-sibling node][which has the name 'input'][which has 
no non-whitespace text]]

> May be these are very basic things and should be known to every one but 
> i am not getting it correctly while reading material on w3 site.
> can any one explain this
> ashu

ashu t wrote:
> some time we use "."(dot) and some time "*"(astrics)

. means the context node. It's the same as self::node().

* means the child elements. It's the same as child::*.

> like
>  count( . | key('somename', @name)[1] ) = 1

Muenchian Grouping: you are testing whether . (the context node or 
currently tested node) is the same node as this one returned by 
key('somename', @name)[1].

> and
> select=" *|@

*|@* means child elements and attributes. It's the same as 
child::*|attribute::*.

Have a look at http://www.w3.org/TR/xpath#location-paths and 
http://www.w3.org/TR/xpath#path-abbrev

Does this help a bit?

Regards,

Joerg


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