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File: Data.xml
<story>
<chapter>
<title>Chapter 1</title>
<para>para 1</para>
</chapter>
<chapter>
<title>Chapter 2</title>
<para>item 1</para>
<para>item 2</para>
<sect>
<title>Chapter 2, Section 1</title>
<para>item 3</para>
<para>para 2</para>
</sect>
</chapter>
<chapter>
<title>Chapter 3</title>
<para>para A</para>
</chapter>
</story>
File: Transform.xslt
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:output method="xml" omit-xml-declaration="yes" indent="no" />
<xsl:template match="chapter">
<chapter>
Previous chapter: (
<xsl:value-of select="preceding-sibling::chapter[1]/title" />
) Next chapter: (
<xsl:value-of select="following-sibling::chapter/title" />
)
<xsl:text>
</xsl:text>
<xsl:apply-templates />
</chapter>
</xsl:template>
</xsl:stylesheet>
Output:
<chapter>
Previous chapter: (
) Next chapter: (
Chapter 2
)
Chapter 1
para 1
</chapter>
<chapter>
Previous chapter: (
Chapter 1
) Next chapter: (
Chapter 3
)
Chapter 2
item 1
item 2
Chapter 2, Section 1
item 3
para 2
</chapter>
<chapter>
Previous chapter: (
Chapter 2
) Next chapter: (
)
Chapter 3
para A
</chapter>
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