Dall' XML:
<?xml version="1.0"?>
<body>
testo<i>it</i>
<div>div</div>
<p>testo2<i>altro</i></p>
altro2<i>ot</i>
<td><p>qualcosa</p></td>
<td>senza</td>
</body>
e XSLT:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xsl:stylesheet [
<!ENTITY bl-e "name()='p' or name()='div' or name='td'">
]>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Tr
+ansform">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/body">
<doc>
<xsl:call-template name="scorri">
<xsl:with-param name="nodi" select="child::node()"/>
</xsl:call-template>
</doc>
</xsl:template>
<xsl:template name="scorri">
<xsl:param name="nodi"/>
<xsl:param name="comincia" select="false()"/>
<xsl:choose>
<xsl:when test="not($comincia) and count($nodi[&bl-e;])>0">
<xsl:variable name="primo" select="$nodi[&bl-e;][1]"/>
<xsl:call-template name="make-block"><xsl:with-param name="nodi" s
+elect="$primo/preceding-sibling::node()"/></xsl:call-template>
<xsl:apply-templates select="$primo"/>
<xsl:call-template name="scorri"><xsl:with-param name="nodi" selec
+t="$primo/following-sibling::node()"/><xsl:with-param name="comincia"
+ select="$primo"/></xsl:call-template>
</xsl:when>
<xsl:when test="count($nodi[&bl-e;])>0">
<xsl:variable name="primo" select="$nodi[&bl-e;][1]"/>
<xsl:call-template name="make-block"><xsl:with-param name="nodi" s
+elect="$primo/preceding-sibling::node()[count(.|$comincia)=2][count(.
+/following-sibling::node()|$comincia)=count(./following-sibling::node
+())+1]"/></xsl:call-template>
<xsl:apply-templates select="$primo"/>
<xsl:call-template name="scorri"><xsl:with-param name="nodi" selec
+t="$primo/following-sibling::node()"/><xsl:with-param name="comincia"
+ select="$primo"/></xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="make-block"><xsl:with-param name="nodi" s
+elect="$nodi"/></xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="make-block">
<xsl:param name="nodi"/>
<xsl:if test="normalize-space($nodi)">
<block><xsl:apply-templates select="$nodi"/></block>
</xsl:if>
</xsl:template>
<xsl:template match="td">
<cella>
<xsl:call-template name="scorri">
<xsl:with-param name="nodi" select="child::node()"/>
</xsl:call-template>
</cella>
</xsl:template>
<xsl:template match="p|div">
<block><xsl:apply-templates/></block>
</xsl:template>
<xsl:template match="i">
<italic><xsl:apply-templates/></italic>
</xsl:template>
<xsl:template match="text()">
<xsl:value-of select="."/>
</xsl:template>
</xsl:stylesheet>
Esce:
$ xsltproc a.xsl a.xml
<?xml version="1.0"?>
<doc>
<block>
testo<italic>it</italic>
</block>
<block>div</block>
<block>testo2<italic>altro</italic></block>
<block>
altro2<italic>ot</italic>
</block>
<cella>
<block>qualcosa</block>
</cella>
<cella>
<block>senza</block>
</cella>
</doc>
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