Dear Dr. Kay and Readers,
Implementing the changes suggested below as follows, on this markup:
<?xml version="1.0" encoding="UTF-8"?>
<root>
<div0 type="heading" id="abc.div.1.2.3">
<div1/><div1 type="article" id="abc.div.1.2.6">
<div2 type="subsection" id="abc.div.1.2.1"/>
<pb n="1" id="abc.1.2.2"/>
</div1>
</div0>
</root>
With the sylesheet now reading:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="2.0">
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="@id[contains(.,'div')]">
<xsl:variable name="test_value"
select="string(count(preceding::*[contains(@id, 'div')]))"/>
<xsl:attribute name="id" select="replace(., '[0-9]+$', $test_value)"/>
</xsl:template>
</xsl:stylesheet>
I get the output:
<?xml version="1.0" encoding="UTF-8"?><root>
<div0 type="heading" id="abc.div.1.2.0">
<div1/><div1 type="article" id="abc.div.1.2.0">
<div2 type="subsection" id="abc.div.1.2.0"/>
<pb n="1" id="abc.1.2.2"/>
</div1>
</div0>
</root>
The output I want is:
<?xml version="1.0" encoding="UTF-8"?><root>
<div0 type="heading" id="abc.div.1.2.1">
<div1/><div1 type="article" id="abc.div.1.2.2">
<div2 type="subsection" id="abc.div.1.2.3"/>
<pb n="1" id="abc.1.2.2"/>
</div1>
</div0>
</root>
Any further suggestions? (If it helps to hear: the test case
represents a file where the last integers in the div @id attributes
are misnumbered, and the goal of the stylesheet is to number them
sequentially...the pb element has an @id attribute, but it's not my
concern here...).
Thanks for your help and patience with my slow learning process,
Tony Zanella
On Fri, Jun 6, 2008 at 4:47 PM, Michael Kay <mike(_at_)saxonica(_dot_)com>
wrote:
Using xsl processor: Saxon 8B, here's my test data:
<?xml version="1.0" encoding="UTF-8"?>
<root>
<div0 type="heading" id="abc.div.1.2.3">
<div1 type="article" id="abc.div.1.2.6">
<div2 type="subsection" id="abc.div.1.2.1"/>
<pb n="1" id="abc.1.2.2"/>
<div2 type="subsection" id="abc.div.1.2.64"/>
</div1>
</div0>
</root>
Here's the stylesheet I'm working on:
[identity template]+
<xsl:template match="*/@id[contains(.,'div')]">
The "*/" adds nothing (well, it says "only match id attributes if they have
an element as a parent"). You can drop it.
<xsl:variable name="substring"
select="substring-after(substring-after(substring-after(substr
ing-after(.,'.'),'.'),'.'),'.')"/>
You don't seem to use this variable and I don't think you need it.
<xsl:variable name="test_value"><xsl:value-of
select="count(preceding::node())"/></xsl:variable>
NEVER write variables like this. It should be
<xsl:variable name="test_value" select="string(count(preceding::node()))"/>
You don't want a document node containing a text node; you want the integer,
converted to a string.
I want the value of $test_value to be, for example, 1 if the @id
containing the string 'div' is the first @id, 2 if it is the second, and so
on.
You haven't made it clear whether you want to count all @id attributes, or
only those that contain 'div'. In the first case it's
count(preceding::*[(_at_)id]), in the second it's
count(preceding::*[contains(@id, 'div')]).
Alternatively, use <xsl:number level="any" count="*[(_at_)id]"/>
<xsl:attribute name="id"
select="concat(replace(.,'([a-z]{3})\.div\.([0-9]+)\.([0-9]+)\
.([0-9]+)','$1.div.$2.$3.'),$test_value)"/>
The seems very cumbersome. To replace the last number in the string, use
replace(., '[0-9]+$', $test_value)
Michael Kay
http://www.saxonica.com/
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