Isn't that overly complicated, in general?
And is this actual code that outputs 1 product element as you stated?
> <xsl:template match="level2">
> <xsl:if
test="following-sibling::*[1][self::product[preceding-sibling::*[1][self::item]
There is no following-sibling to level2. Maybe you intended to match
level2/item and test some conditions about its following-siblings. Then
your level2 template should copy level2 and apply-templates to ./item
only. But this code still won't yield the quoted results.
I'm trying to guess what you want to achieve from this inner code.
> <xsl:variable name="count"
> select="count(./following-sibling::product[position()!=last()])"/>
> <xsl:if test="$count>= 1">
> <xsl:apply-templates
> select="./following-sibling::product[position() < $count]"/>
> </xsl:if>
Is it:
- $count is set to the number of products after item (not counting the
last product though). In your case it should be 2.
- If count is greater than or equal to 1, then the products whose
position() is less than $count should be subject to apply-templates. In
your example, this will be the first product.
?
This may be achieved by this snippet:
<xsl:template
match="level2/product[
preceding-sibling::item
and
(: All products before this one but after the
immediately precedent item must also be products:)
(
every $p in preceding-sibling::*[
. >> preceding-sibling::item[1]
] satisfies $p/self::product
)
and
(: All following siblings before level3 must also be
products. If there's no level3 then the every
expression evals to true() :)
(
every $f in following-sibling::*[
. << following-sibling::level3[1]
] satisfies $f/self::product
)
][
(: Restrict the result so far to all but the last
two items - don't know if this is really what you want:)
position() lt last() - 1
]
">
<!-- Really only apply, not copy? -->
<xsl:apply-templates />
</xsl:template>
<!-- Discard all other products: -->
<xsl:template match="level2/product" priority="0"/>
<!-- Everything else: identity -->
<xsl:template match="@* | *" priority="-1">
<xsl:copy>
<xsl:apply-templates select="@* | * | text()" mode="#current" />
</xsl:copy>
</xsl:template>
But maybe you are looking for an xsl:for-each-group
group-starting-with="item|level3", and then look at current-group()[1]
whether it's item, and then process the rest of current-group() if it
consists of products only?
Gerrit
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