I figure it out in the way, it's similar to unix path
;)
original:<xsl:key name="byGRP"
match="xs:element[not(starts-with(@ref, 'GRP'))]"
use="generate-id(preceding::xs:element[starts-with(@ref,
'GRP')][1])"/>
now:<xsl:key name="byGRP"
match="xs:element[not(@ref=//xs:element/xs:complexType/../@name)]"
use="generate-id(preceding::xs:element[(_at_)ref=//xs:element/xs:complexType/xs:sequence/xs:element/../../../@name][1])"/>
original:<xsl:when test="starts-with($first,'GRP')">
now:<xsl:when
test="//xs:element/xs:complexType/xs:sequence/xs:element/[../../../@name=$first]">
original:<xsl:for-each
select="//xs:element[starts-with(@ref, 'GRP')]">
now:<xsl:for-each
select="//xs:element[(_at_)ref=//xs:element/xs:complexType/xs:sequence/xs:element/../../../@name]">
cheers
Paul
--- Paul <reganmian(_at_)yahoo(_dot_)com> wrote:
Thanks Tom, you always take sth new to me.
Paul
--- TSchutzerWeissmann(_at_)uk(_dot_)imshealth(_dot_)com wrote:
Hi Paul,
and the fact is group element will always apply
to
a structure:
/xs:element/xs:complexType/xs:sequence/xs:element
with
the occuring of @maxOccurs attribute
The "/" at the beginning of that XPath is my typo
-
it shouldn't be there
because it's short for the document root. The only
element in the schema
that is a child of / is the top node, xs:schema.
Group on
xs:element[xs:complexType/xs:sequence/xs:element/@maxOccurs].
You
don't need "boolean" - if the expression in the
predicate is the empty
node-set then it's equivalent to false.
The negative version of the filter is
xs:element[not(xs:complexType/xs:sequence/xs:element/@maxOccurs)]
This is the modified version...(untested)
============================================================
<xsl:key name="childGroups"
match="xs:element[xs:complexType/xs:sequence/xs:element/@maxOccurs]"
use="generate-id(
(ancestor::xs:element[xs:complexType/xs:sequence/xs:element/@maxOccurs][1]
| /)[last())"/>
<!-- the ( xyz | / )[last()] will always give you
xyz if it exists,
otherwise the root node.
This is because the root node is the very first
node, so any node
comes later than it
and will be last of the pair
So we can refer to the top group using this key
and
the id of the
root element, instead of
using a long XPath nightmare
-->
<xsl:key name="byGroup"
match="xs:element[not(xs:complexType/xs:sequence/xs:element/@maxOccurs)]"
use="generate-id(
ancestor-or-self::*/preceding-sibling::xs:element
[xs:complexType/xs:sequence/xs:element/@maxOccurs][1]"/>
<!-- notice that the match is just on xs:element
-->
<xsl:template match="/xs:schema/xs:element">
<xsl:apply-templates
select="key('childGroups',generate-id(/))"
mode="recurse"/>
</xsl:template>
<xsl:template match="xs:element" mode="recurse">
<!-- for each group -->
<xsl:variable name="me"
select="generate-id()"/>
Group <xsl:value-of select="@ref"/> Starts
<xsl:apply-templates
select="key('childGroups',$me)" mode="recurse"/>
Group <xsl:value-of select="@ref"/> Ends.
<xsl:for-each select="key('byGroup',$me)">
<xsl:value-of select="@ref"/> Starts
</xsl:for-each>
<xsl:for-each select="key('byGroup',$me)">
<xsl:value-of select="@ref"/> Ends
</xsl:for-each>
</xsl:template>
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