Am 06.12.2019 um 11:55 schrieb Mukul Gandhi
gandhi(_dot_)mukul(_at_)gmail(_dot_)com:
Hi all,
I'm trying to use 'user defined data elements' in an XSLT stylesheet.
Following is my XSLT transformation example,
XML input document:
<?xml version="1.0" encoding="UTF-8"?>
<root>
<a val="-1"/>
<a val="-4"/>
<a val="5"/>
<a val="3"/>
<a val="2"/>
</root>
XSLT stylesheet (file proc1.xsl, with local absolute URI
file:///e:/xslt_examples/basic/proc1.xsl):
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:m_ns0="http://example.com/my_meta_data";
exclude-result-prefixes="m_ns0"
version="3.0">
<xsl:output method="xml" indent="yes"/>
<!-- this is the user defined data element -->
<m_ns0:names>
<name>jill</name>
<name>jane</name>
<name>hello1</name>
</m_ns0:names>
<xsl:template match="root">
<result>
<xsl:copy-of
select="document('file:///e:/xslt_examples/basic/proc1.xsl')/xsl:stylesheet/m_ns0:names"
copy-namespaces="no"/>
<xsl:apply-templates select="a[number(@val) gt 0]" mode="gt0"/>
<xsl:apply-templates select="a[number(@val) lt 0]" mode="lt0"/>
</result>
</xsl:template>
<xsl:template match="a" mode="gt0">
<val><xsl:value-of select="@val"/>: positive</val>
</xsl:template>
<xsl:template match="a" mode="lt0">
<val><xsl:value-of select="@val"/>: negative</val>
</xsl:template>
</xsl:stylesheet>
The above transformation produces, following result,
<?xml version="1.0" encoding="UTF-8"?>
<result>
<m_ns0:names xmlns:m_ns0="http://example.com/my_meta_data";>
<name>jill</name>
<name>jane</name>
<name>hello1</name>
</m_ns0:names>
<val>5: positive</val>
<val>3: positive</val>
<val>2: positive</val>
<val>-1: negative</val>
<val>-4: negative</val>
</result>
The above output is what I'm expecting.
Following are my questions,
You could see that, within my stylesheet, I've used following
stylesheet instruction,
<xsl:copy-of
select="document('file:///e:/xslt_examples/basic/proc1.xsl')/xsl:stylesheet/m_ns0:names"
copy-namespaces="no"/>
I've used the absolute URI of the stylesheet document, as argument to
the document() function. Is it possible, to specify the stylesheet
document reference to the document() function in a portable way (i.e,
not an absolute URI)?
The usual way is
document('')
but it is not portable in any case, if the stylesheet was loaded from a
string for instance, that call might fail.
In XSLT 2 and 3 I think I would prefer to use a parameter or variable
with element contents instead of user defined data elements, I think
user defined data elements are mainly useful in XSLT 1 to work around
the result tree restriction of any param/variable containing nodes.
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