Hi Jeff,
If you're not interested in actually truncating the last paragraph, the
stylesheet below should do the trick. See the comments for explanation.
It will work for any sequence of elements within <body> (not just <p>).
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:template match="body">
<!-- Process just the first child element -->
<xsl:apply-templates mode="up-to-1000" select="*[1]"/>
</xsl:template>
<!-- Recursively process the child elements -->
<xsl:template match="*" mode="up-to-1000">
<xsl:param name="char-count" select="0"/>
<!-- The running character count consists of the count so far
plus the length of the string-value of this element. -->
<xsl:variable name="new-char-count" select="$char-count +
string-length(.)"/>
<!-- Copy this element -->
<xsl:copy-of select="."/>
<!-- Only process (copy) the next one if we haven't reached
1000 yet -->
<xsl:if test="$new-char-count < 1000">
<xsl:apply-templates mode="up-to-1000"
select="following-sibling::*[1]">
<!-- Propagate our running total -->
<xsl:with-param name="char-count" select="$new-char-count"/>
</xsl:apply-templates>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
Let me know if you have any questions about the above.
Evan
Jeff Sese wrote:
Hi,
I have a book structure mark-up and I'm trying to get an extract of
the book contents to represent a preview. However, I only want to get
the contents upto the node that contains the nth descendant character
of the book body. How can I do this?
I have:
<book>
<body>
<p>some text</p>
<p>some text</p>
...
<p>some text, here is the 1,000th character, some more text</p>
<p>some text</p>
</body>
</book>
I want my output to be all the descendant::p of body but only upto the
p that contains the 1000th character.
Thanks in advance,
-- Jeff
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