So let me pose a simple example.
The following xml document is our main document, which I still don't
have the terminology for. It might look like:
<data>
<foo>1</foo>
<foo>3</foo>
<foo>5</foo>
<foo>2</foo>
<foo>99</foo>
</data>
Lets say our XSLT creates a global variable "foo_test" and it imports
an external data source which looks like:
<foo_test>
<foo>3</foo>
<foo>99</foo>
</test_foo>
Will the following expression work:
<xsl:apply-templates select="data/foo = $foo_test//foo"/>
Resulting in a match on:
foo = 3; and foo = 4
Now, let do the reverse of this and match on all $foot_test foo
elements so we have:
<xsl:apply-templates select="$foo_test//foo" mode="my_external_foo"/>
And we have the template:
<xsl:template match="foo" mode="my_external_foo">
<!-- AT THIS POINT..
HOW DO WE REFER BACK TO MAIN XML SOURCE??? -->
<!-- mabye, but isn't /data/foo out of context??? -->
<xsl:for-each select="/data/foo">
<xsl:if test=".=current()/.">
<!-- I'M ASSUMING WE NEVER MAKE IT HERE -->
</xsl:if>
</xsl:for-each>
</xsl:template>
On Thu, 31 Mar 2005 20:55:11 +0100, Michael Kay <mike(_at_)saxonica(_dot_)com>
wrote:
I am discovering such... I think a better approach is to import the
xml into a variable at the parent level, so into
parent_xslt_document.xsl
Would you agree?
Yes, I would always use global variables for this kind of thing. Or external
"lookup.xml" files, read using the document() function.
Also, since we are on the subject:
Is there such thing as cross-walking xml sources? Recently I tempted
to match all (as an example) AAA elements with a value of matching all
BBB element values where BBB xml Source is not the same as AAA's xml
source. AAA would be part of the original xml source (not sure how
you refer to that) where BBB is either an inline XML source "user data
element" or imported into the stylesheet into a variable, or passed in
as a parameter.
I can't work out exactly what process you are describing, but it's certainly
possible to join, compare, or merge data from multiple sources in XSLT.
Michael Kay
http://www.saxonica.com/
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