Hi Michael and David,
I would like to thank you for all your input and
help. It is really appreciated.
I will try to use the the vanilla push-processing
coding style demonstrated by David Carlisle's
responses to improve the speed of my transformation
for the rows.
Michael, you are right I was typing everything using
the browser and made lots of mistake in my code
examples. I am sorry about that.
David, thanks again for your example code.
Just for completeness, this an extract of my xml but
well formatted. The Rows and Columns can grow a lot:
<?xml version="1.0"?>
<Report>
<Measures>
<Measure idx="1" heading="Total Pages"/>
<Measure idx="2" heading="Cost"/>
</Measures>
<Columns>
<ColGrp heading="Year">
<Col heading="2003"/>
<Col heading="2004"/>
</ColGrp>
</Columns>
<Rows>
<RowGrp heading="Name 1">
<Row heading="A">
<Cell/>
<Cell>
<Msr idx="1" val="42.00"/>
<Msr idx="2" val="64230"/>
</Cell>
</Row>
<Row heading="Other">
<Cell/>
<Cell>
<Msr idx="1" val="36.00"/>
<Msr idx="2" val="35820"/>
</Cell>
</Row>
<Row heading="Another">
<Cell>
<Msr idx="1" val="14.20"/>
<Msr idx="2" val="128030"/>
</Cell>
<Cell/>
</Row>
</RowGrp>
<RowGrp heading="">
<Row heading="Totals">
<Cell>
<Msr idx="1" val="14.20"/>
<Msr idx="2" val="128030.00"/>
</Cell>
<Cell>
<Msr idx="1" val="78.00"/>
<Msr idx="2" val="100050.00"/>
</Cell>
</Row>
</RowGrp>
</Rows>
</Report>
--- Michael Kay <mike(_at_)saxonica(_dot_)com> wrote:
For each Row in my xml I need to output a <tr>. So
I apply templates.
<xsl:variable name=set" select="Report/Rows//Row"
/> .....
<xsl:apply-templates select="$set"/>
If you're only using the variable once, then this is
exactly equivalent to:
<xsl:apply-templates select="Report/Rows//Row"/>
.....
That doesn't mean it's wrong to declare a variable
and use it only once, I'm
just pointing out the equivalence. Your arguments
that you are using a
variable because of the intervening RowGrp elements
don't make sense -
that's an argument for using "//" in the middle of
this path, but not an
argument for using a variable.
<xsl:template name="Row">
......
<tr>
<xsl:param name="set"/>
<xsl:apply-templates
select="$set[postion()]/*"/>
</tr>
<xsl:template>
There are a couple of syntax errors here, and a
couple of semantic errors.
1. If xsl:param appears in an xsl:template, then it
must come first
2. postion() should be position()
3. as already pointed out, the predicate
[position()] is legal but
meaningless
4. (and I suspect this is the root cause of your
confusion), you're
declaring a parameter $set, and not giving it a
value. The $set inside your
template bears no relationship to the $set in the
calling code, they are two
different variables that just happen to have the
same name. You could give
them the same value if the caller did
<xsl:with-param name="set"
select="$set"/>, but I can't see why you would want
to. If you don't give
the parameter a value, then the default is a
zero-length string, and I would
expect that to cause a type error when you do
apply-templates, on the
grounds that you can only apply templates to nodes,
not to strings.
I haven't seen anything in your problem description
that indicates why you
need to make things so complicated. Perhaps I've
missed something - you keep
hinting that you haven't shown us the whole problem.
From all I've seen, you
can solve the problem using the vanilla
push-processing coding style
demonstrated by David Carlisle's responses.
Michael Kay
http://www.saxonica.com/
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